1995/0405/pc/scsi.c (diff list | history)

1995/0404/sys/src/9/pc/scsi.c:136,142 – 1995/0405/sys/src/9/pc/scsi.c:136,144 (short | long | prev | next)
1994/0908		* Determine if the drive exists and is not ready or * is simply not responding */
1995/0324		if((s = scsireqsense(t, 0, 0)) != STok){
1995/0405		nbytes = Nscratch; s = scsireqsense(t, 0, t->scratch, &nbytes, 0); if(s != STok){
1995/0324		print("scsi%d: unit %d unavailable, status %d\n", t->ctlrno, i, s);
1994/0908		continue; }
1995/0404/sys/src/9/pc/scsi.c:152,158 – 1995/0405/sys/src/9/pc/scsi.c:154,160
1995/0324		print("scsi%d: unit %d inquire failed, status %d\n", t->ctlrno, i, s);
1994/0908		continue; }
1995/0403		print("scsi%d: unit %d:%2.2ux: %s\n", t->ctlrno, i, t->inq[0], t->inq+8);
1995/0405		print("scsi%d: unit %d: %s\n", t->ctlrno, i, t->inq+8);
1995/0324		t->ok = 1;
1994/0908		}
1993/0915		}
1995/0404/sys/src/9/pc/scsi.c:260,274 – 1995/0405/sys/src/9/pc/scsi.c:262,273
1994/0908		return -1; nbytes = 8; s = scsiexec(t, SCSIread, cmd, sizeof(cmd), d, &nbytes); if(s < 0) { free(d); return s;
1995/0405		if((s = scsiexec(t, SCSIread, cmd, sizeof(cmd), d, &nbytes)) == STok){ *size = (d[0]<<24)|(d[1]<<16)|(d[2]<<8)|(d[3]<<0); *bsize = (d[4]<<24)|(d[5]<<16)|(d[6]<<8)|(d[7]<<0);
1994/0908		} *size = (d[0]<<24)|(d[1]<<16)|(d[2]<<8)|(d[3]<<0); *bsize = (d[4]<<24)|(d[5]<<16)|(d[6]<<8)|(d[7]<<0); free(d); return 0;
1995/0405		return s;
1993/0915		}
1994/0908		int
1995/0404/sys/src/9/pc/scsi.c:304,310 – 1995/0405/sys/src/9/pc/scsi.c:303,310
1994/0908		nbytes = n*bsize; s = scsiexec(t, dir, cmd, cdbsiz, b, &nbytes); if(s < 0) { scsireqsense(t, lun, 0);
1995/0405		nbytes = Nscratch; scsireqsense(t, lun, t->scratch, &nbytes, 0);
1994/0908		return -1; } return nbytes;
1995/0404/sys/src/9/pc/scsi.c:331,367 – 1995/0405/sys/src/9/pc/scsi.c:331,374
1994/0908		}; int
1995/0324		scsireqsense(Target *t, char lun, int quiet)
1995/0405		scsireqsense(Target *t, char lun, void *data, int *nbytes, int quiet)
1994/0908		{ char *s; int sr, try, nbytes;
1995/0405		int status, try;
1994/0908		uchar cmd[6], *sense;
1995/0324		sense = t->scratch;
1995/0405		sense = malloc(*nbytes);
1994/0908		for(try = 0; try < 5; try++) { memset(cmd, 0, sizeof(cmd)); cmd[0] = CMDreqsense; cmd[1] = lun<<5; cmd[4] = Nscratch; memset(sense, 0, sizeof(sense));
1995/0405		cmd[4] = *nbytes; memset(sense, 0, *nbytes);
1994/0908		nbytes = Nscratch;
1995/0324		sr = scsiexec(t, SCSIread, cmd, sizeof(cmd), sense, &nbytes);
1994/0908		if(sr != STok) return sr;
1995/0405		status = scsiexec(t, SCSIread, cmd, sizeof(cmd), sense, nbytes); if(status != STok){ free(sense); return status; } *nbytes = sense[0x07]+8; memmove(data, sense, *nbytes);
1994/0908		/* * Unit attention. We can handle that. */ if((sense[2] & 0x0F) == 0x00 || (sense[2] & 0x0F) == 0x06)
1995/0405		if((sense[2] & 0x0F) == 0x00 || (sense[2] & 0x0F) == 0x06){ free(sense);
1994/0908		return STok;
1995/0405		}
1994/0908		/* * Recovered error. Why bother telling me. */ if((sense[2] & 0x0F) == 0x01)
1995/0405		if((sense[2] & 0x0F) == 0x01){ free(sense);
1994/0908		return STok;
1995/0405		}
1994/0908		/* * Unit is becoming ready
1995/0404/sys/src/9/pc/scsi.c:372,383 – 1995/0405/sys/src/9/pc/scsi.c:379,390
1994/0908		delay(5000); } if(quiet) return STcheck;                  s = key[sense[2]&0xf]; print("scsi%d: unit %d reqsense: '%s' code #%2.2ux #%2.2ux\n",
1995/0324		t->ctlrno, t->target, s, sense[12], sense[13]);
1995/0405		if(quiet == 0){ s = key[sense[2]&0x0F]; print("scsi%d: unit %d reqsense: '%s' code #%2.2ux #%2.2ux\n", t->ctlrno, t->target, s, sense[12], sense[13]); } free(sense);
1994/0908		return STcheck; }