1995/0329/pc/scsi.c (diff list | history)

1995/0328/sys/src/9/pc/scsi.c:12,19 – 1995/0329/sys/src/9/pc/scsi.c:12,25 (short | long | prev | next)
1994/0908		Ninq = 255, Nscratch = 255,
1993/0915
1995/0329		CMDtest = 0x00,
1994/0908		CMDreqsense = 0x03,
1995/0329		CMDread6 = 0x08, CMDwrite6 = 0x0A,
1994/0908		CMDinquire = 0x12,
1995/0329		CMDstart = 0x1B, CMDread10 = 0x28, CMDwrite10 = 0x2A,
1994/0908		}; typedef struct {
1995/0328/sys/src/9/pc/scsi.c:142,155 – 1995/0329/sys/src/9/pc/scsi.c:148,159
1994/0908		} /* * Inquire to find out what the device is
1995/0329		* Inquire to find out what the device is.
1994/0908		* Drivers then use the result to attach to targets */
1995/0324		memset(t->inq, 0, Ninq);
1994/0908		cmd[0] = CMDinquire; cmd[4] = Ninq; nbytes = Ninq;
1995/0324		s = scsiexec(t, SCSIread, cmd, sizeof(cmd), t->inq, &nbytes);
1995/0329		s = scsiinquiry(t, 0, t->inq, &nbytes);
1994/0908		if(s < 0) {
1995/0324		print("scsi%d: unit %d inquire failed, status %d\n", t->ctlrno, i, s);
1994/0908		continue;
1995/0328/sys/src/9/pc/scsi.c:196,202 – 1995/0329/sys/src/9/pc/scsi.c:200,206
1994/0908		t = &scsi[ctlr]->target[unit]; devno++; if(t->ok && (t->inq[0]&0x0F) == type){
1995/0329		if(t->ok && (t->inq[0]&0x1F) == type){
1994/0908		*rt = t; *inq = t->inq; sprint(id, "scsi%d: unit %d", ctlr, unit);
1995/0328/sys/src/9/pc/scsi.c:212,221 – 1995/0329/sys/src/9/pc/scsi.c:216,237
1994/0908		uchar cmd[6]; memset(cmd, 0, sizeof cmd); cmd[0] = 0x1b;
1995/0329		cmd[0] = CMDstart;
1994/0908		cmd[1] = lun<<5; cmd[4] = s ? 1 : 0; return scsiexec(t, SCSIread, cmd, sizeof(cmd), 0, 0);
1995/0329		} int scsiinquiry(Target *t, char lun, void *data, int *datalen) { uchar cmd[6]; memset(cmd, 0, sizeof cmd); cmd[0] = CMDinquire; cmd[1] = lun<<5; cmd[4] = *datalen; return scsiexec(t, SCSIread, cmd, sizeof(cmd), data, datalen);
1993/0915		}
1994/0908		int