1995/1208/pc/devata.c (diff list | history)

1995/1206/sys/src/9/pc/devata.c:76,82 – 1995/1208/sys/src/9/pc/devata.c:76,82 (short | long | prev | next)
1995/1206		Npart= 20+2, /* 8 sub partitions, disk, and partition */
1995/0213		Nrepl= 64, /* maximum replacement blocks */
1995/0818
1995/1206		Hardtimeout= 30000, /* disk access timeout (ms) */
1995/1208		Hardtimeout= 6000, /* disk access timeout (ms) */
1995/1206		NCtlr= 4, NDrive= NCtlr*2,
1995/1206/sys/src/9/pc/devata.c:339,346 – 1995/1208/sys/src/9/pc/devata.c:339,348
1995/1206		if(driveno & 0x01) drive->dh |= DHslave; drive->vers = 1; if(atapi)
1995/1208		if(atapi){ sprint(drive->vol, "atapi%d", drive->driveno);
1995/1206		drive->atapi = 1;
1995/1208		}
1995/1206		atadrive[driveno] = drive; }
1995/1206/sys/src/9/pc/devata.c:384,390 – 1995/1208/sys/src/9/pc/devata.c:386,392
1995/1206		* will be left on the interrupt call chain even if there are no * drives found. * At least one controller/ATAPI-drive combination doesn't respond * to the Edd (Micronics M54Li + Sanyo CDR-XXX) so let's check for the
1995/1208		* to the Cedd (Micronics M54Li + Sanyo CRD-254P) so let's check for the
1995/1206		* ATAPI signature straight off. If we find it there will be no probe * done for a slave. Tough. */
1995/1206/sys/src/9/pc/devata.c:401,406 – 1995/1208/sys/src/9/pc/devata.c:403,410
1995/1206		goto skipedd; } if(atactlrwait(ctlr, DHmagic, 0, MS2TK(1)) || waserror()){
1995/1208		DPRINT("ata%d: Cedd status %ux/%ux/%ux\n", ctlrno, inb(port+Pstatus), inb(port+Pcylmsb), inb(port+Pcyllsb));
1995/1206		xfree(ctlr); return -1; }
1995/1206/sys/src/9/pc/devata.c:1069,1086 – 1995/1208/sys/src/9/pc/devata.c:1073,1079
1995/0213		nexterror(); }
1995/1206		if(dp->atapi || isatapi(dp)) cmd = Cidentd; else{ cmd = Cident; if(cmdreadywait(dp)){ dp->atapi = 1; if(isatapi(dp) == 0) error(Eio); cmd = Cidentd; } }
1995/0213
1995/1208		cmd = Cident;
1995/1206		retryatapi: ILOCK(&cp->reglock);
1995/0213		cp->nsecs = 1;
1995/1206/sys/src/9/pc/devata.c:1092,1103 – 1995/1208/sys/src/9/pc/devata.c:1085,1096
1995/1206		outb(cp->pbase+Pcmd, cmd); IUNLOCK(&cp->reglock);
1995/0213
1995/1208		DPRINT("%s: ident command %ux sent\n", dp->vol, cmd);
1995/0818		atasleep(cp);
1995/0213		if(cp->status & Serr){
1995/1206		DPRINT("%s: bad disk ident status\n", dp->vol); if(dp->atapi == 0 && (cp->error & Eabort)){ dp->atapi = 1;
1995/1208		if(cp->error & Eabort){
1995/1206		if(isatapi(dp)){ cmd = Cidentd; goto retryatapi;
1995/1206/sys/src/9/pc/devata.c:1134,1140 – 1995/1208/sys/src/9/pc/devata.c:1127,1133
1995/1206		dp->cyl = ip->cyls; dp->heads = ip->heads; dp->sectors = ip->s2t; DPRINT("%s: %s %d/%d/%d CHS %d bytes\n",
1995/1208		XPRINT("%s: %s %d/%d/%d CHS %d bytes\n",
1995/1206		dp->vol, id, dp->cyl, dp->heads, dp->sectors, dp->cap); if(ip->cvalid&(1<<0)){
1995/1206/sys/src/9/pc/devata.c:1142,1148 – 1995/1208/sys/src/9/pc/devata.c:1135,1141
1995/1206		dp->cyl = ip->ccyls; dp->heads = ip->cheads; dp->sectors = ip->cs2t; DPRINT("%s: changed to %d cyl %d head %d sec\n",
1995/1208		XPRINT("%s: changed to %d cyl %d head %d sec\n",
1995/1206		dp->vol, dp->cyl, dp->heads, dp->sectors); }
1995/1206/sys/src/9/pc/devata.c:1151,1157 – 1995/1208/sys/src/9/pc/devata.c:1144,1150
1995/0213		dp->lba = 1;
1995/1206		dp->lbasecs = lbasecs; dp->cap = dp->bytes * dp->lbasecs; DPRINT("%s: LBA: %s %d sectors %d bytes\n",
1995/1208		XPRINT("%s: LBA: %s %d sectors %d bytes\n",
1995/1206		dp->vol, id, dp->lbasecs, dp->cap);
1995/0213		} else { dp->lba = 0;
1995/1206/sys/src/9/pc/devata.c:1534,1548 – 1995/1208/sys/src/9/pc/devata.c:1527,1544
1995/1206		print("%s: intr %d %d\n", dp->vol, cp->sofar, cp->nsecs);
1995/0213		if(cp->sofar >= cp->nsecs){ cp->lastcmd = cp->cmd;
1995/1208		#ifdef notdef
1995/1206		if(cp->cmd == Cidentd)
1995/0213		cp->cmd = Cident2;
1995/1206		else if(cp->cmd == Cident && (cp->status & Sready) == 0) cp->cmd = Cident2;
1995/1208		#else if(cp->cmd != Cread && (cp->status & (Sbusy|Sready)) != Sready) cp->cmd = Cident2; #endif /* notdef */
1995/1206		else cp->cmd = 0; inb(cp->pbase+Pstatus); DPRINT("status %uX, alt %uX\n", inb(cp->pbase+Pstatus), inb(cp->pbase+0x206));
1995/0213		wakeup(&cp->r); } break;
1995/1206/sys/src/9/pc/devata.c:1614,1622 – 1995/1208/sys/src/9/pc/devata.c:1610,1619
1995/1206		cp = dp->cp; outb(cp->pbase+Pdh, dp->dh); DPRINT("%s: isatapi %d\n", dp->vol, dp->atapi); if(dp->atapi){ outb(cp->pbase+Pcmd, 0x08); delay(20);
1995/1208		outb(cp->pbase+Pcmd, 0x08); if(atactlrwait(dp->cp, DHmagic, 0, MS2TK(100))){ DPRINT("%s: isatapi ctlrwait status %ux\n", dp->vol, inb(cp->pbase+Pstatus)); return 0;
1995/1206		} dp->atapi = 0; dp->bytes = 512;
1995/1206/sys/src/9/pc/devata.c:1688,1694 – 1995/1208/sys/src/9/pc/devata.c:1685,1691
1995/1206		nexterror(); if(cp->status & Serr){ DPRINT("%s: Bad packet command %ux\n", dp->vol, cp->error);
1995/1208		DPRINT("%s: Bad packet command %ux, error %ux\n", dp->vol, cp->cmdblk[0], cp->error);
1995/1206		error(Eio); } }
1995/1206/sys/src/9/pc/devata.c:1705,1711 – 1995/1208/sys/src/9/pc/devata.c:1702,1708
1995/1206		buf = smalloc(Maxxfer); qlock(cp->ctlrlock); retrycount = 1;
1995/1208		retrycount = 2;
1995/1206		retry: if(waserror()){ dp->partok = 0;
1995/1206/sys/src/9/pc/devata.c:1804,1810 – 1995/1208/sys/src/9/pc/devata.c:1801,1807
1995/1206		buf = smalloc(Maxxfer); qlock(cp->ctlrlock); retrycount = 1;
1995/1208		retrycount = 2;
1995/1206		retry: if(waserror()){ if((cp->status & Serr) && (cp->error & 0xF0) == 0x60){
1995/1206/sys/src/9/pc/devata.c:1817,1823 – 1995/1208/sys/src/9/pc/devata.c:1814,1820
1995/1206		cp->dp = 0; free(buf); if((cp->status & Serr) && (cp->error & 0xF0) == 0x20) err = cp->error;
1995/1208		err = cp->error & 0xF0;
1995/1206		else err = 0; qunlock(cp->ctlrlock);