2001/0728/alphapc/sd53c8xx.c (diff list | history)

2001/0727/sys/src/9/alphapc/sd53c8xx.c:200,219 – 2001/0728/sys/src/9/alphapc/sd53c8xx.c:200,211 (short | long | prev | next)
2000/0515		} State; typedef struct Dsa { union { uchar state[4]; struct { uchar stateb; uchar result; uchar dmablks; uchar flag; /* setbyte(state,3,...) */ }; };
2001/0728		uchar stateb; uchar result; uchar dmablks; uchar flag; /* setbyte(state,3,...) */
2000/0515		union { ulong dmancr; /* For block transfer: NCR order (little-endian) */ uchar dmaaddr[4]; };
2001/0728		uchar dmaaddr[4];
2000/0515		uchar target; /* Target */ uchar pad0[3];
2001/0727/sys/src/9/alphapc/sd53c8xx.c:397,403 – 2001/0728/sys/src/9/alphapc/sd53c8xx.c:389,395
2000/0515		if (DEBUG(1))
2001/0314		KPRINT(PRINTPREFIX "%d/%d: allocated new dsa %lux\n", target, lun, (ulong)d);
2000/0515		lesetl(d->next, 0); lesetl(d->state, A_STATE_ALLOCATED);
2001/0728		lesetl(&d->stateb, A_STATE_ALLOCATED);
2000/0515		if (legetl(c->dsalist.head) == 0) lesetl(c->dsalist.head, DMASEG(d)); /* ATOMIC?!? */ else
2001/0727/sys/src/9/alphapc/sd53c8xx.c:408,414 – 2001/0728/sys/src/9/alphapc/sd53c8xx.c:400,406
2000/0515		if (DEBUG(1))
2001/0314		KPRINT(PRINTPREFIX "%d/%d: reused dsa %lux\n", target, lun, (ulong)d); c->dsalist.freechain = d->freechain;
2000/0515		lesetl(d->state, A_STATE_ALLOCATED);
2001/0728		lesetl(&d->stateb, A_STATE_ALLOCATED);
2000/0515		} iunlock(&c->dsalist); d->target = target;
2001/0727/sys/src/9/alphapc/sd53c8xx.c:422,428 – 2001/0728/sys/src/9/alphapc/sd53c8xx.c:414,420
2000/0515		ilock(&c->dsalist);
2001/0314		d->freechain = c->dsalist.freechain; c->dsalist.freechain = d;
2000/0515		lesetl(d->state, A_STATE_FREE);
2001/0728		lesetl(&d->stateb, A_STATE_FREE);
2000/0515		iunlock(&c->dsalist); }
2001/0727/sys/src/9/alphapc/sd53c8xx.c:1204,1210 – 2001/0728/sys/src/9/alphapc/sd53c8xx.c:1196,1202
2000/0515		dsa->dmablks, legetl(dsa->dmaaddr), legetl(dsa->data_buf.pa), legetl(dsa->data_buf.dbc)); n->scratcha[2] = dsa->dmablks; lesetl(n->scratchb, dsa->dmancr);
2001/0728		lesetl(n->scratchb, *(ulong*)dsa->dmaaddr);
2000/0515		cont = E_data_block_mismatch_recover; } else if (sa == E_data_out_mismatch) {
2001/0727/sys/src/9/alphapc/sd53c8xx.c:1231,1237 – 2001/0728/sys/src/9/alphapc/sd53c8xx.c:1223,1229
2000/0515		dmablks * A_BSIZE - tbc + legetl(dsa->data_buf.dbc)); /* copy changes into scratch registers */ n->scratcha[2] = dsa->dmablks; lesetl(n->scratchb, dsa->dmancr);
2001/0728		lesetl(n->scratchb, *(ulong*)dsa->dmaaddr);
2000/0515		cont = E_data_block_mismatch_recover; } else if (sa == E_id_out_mismatch) {
2001/0727/sys/src/9/alphapc/sd53c8xx.c:1442,1447 – 2001/0728/sys/src/9/alphapc/sd53c8xx.c:1434,1445
2000/0515		dsa->target, dsa->lun); cont = -2; break;
2001/0728		case A_error_reselected: /* dsa isn't valid here */ print(PRINTPREFIX "reselection error\n"); dumpncrregs(c, 1); for (dsa = KPTR(legetl(c->dsalist.head)); dsa; dsa = KPTR(legetl(dsa->next))) IPRINT(PRINTPREFIX "dsa target %d lun %d state %d\n", dsa->target, dsa->lun, dsa->stateb); break;
2000/0515		default:
2001/0314		IPRINT(PRINTPREFIX "%d/%d: script error %ld\n",
2000/0515		dsa->target, dsa->lun, legetl(n->dsps));
2001/0727/sys/src/9/alphapc/sd53c8xx.c:1752,1758 – 2001/0728/sys/src/9/alphapc/sd53c8xx.c:1750,1756
2000/0515		* Clear out the microcode state * so the Dsa can be re-used. */ lesetl(d->state, A_STATE_ALLOCATED);
2001/0728		lesetl(&d->stateb, A_STATE_ALLOCATED);
2000/0515		goto docheck; } qunlock(&c->q[target]);