1995/0723/pc/scsi.c (diff list | history)

1995/0722/sys/src/9/pc/scsi.c:30,36 – 1995/0723/sys/src/9/pc/scsi.c:30,36 (short | long | prev | next)
1994/0908		Target target[NTarget]; } Ctlr; static Ctlr *scsi[MaxScsi];
1995/0723		static Ctlr* scsi[MaxScsi];
1994/0908
1995/0328		typedef struct Link Link;
1995/0722		typedef struct Link
1995/0722/sys/src/9/pc/scsi.c:260,275 – 1995/0723/sys/src/9/pc/scsi.c:260,276
1994/0908		cmd[0] = 0x25; cmd[1] = lun<<5; d = malloc(8);
1995/0723		nbytes = 8; d = scsialloc(nbytes);
1994/0908		if(d == 0) return -1;
1995/0723		error(Enomem);
1994/0908		nbytes = 8;
1995/0405		if((s = scsiexec(t, SCSIread, cmd, sizeof(cmd), d, &nbytes)) == STok){
1995/0723		s = scsiexec(t, SCSIread, cmd, sizeof(cmd), d, &nbytes); if(s == STok) {
1995/0405		*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		} free(d);
1995/0723		scsifree(d);
1995/0405		return s;
1993/0915		}
1994/0908
1995/0722/sys/src/9/pc/scsi.c:394,419 – 1995/0723/sys/src/9/pc/scsi.c:395,419
1995/0722		int scsidiskinfo(Target *t, char lun, uchar *data) { int s, nbytes, try; uchar cmd[10];
1995/0723		int s, nbytes; uchar cmd[10], *d;
1995/0722		for(try=0; try<3; try++) {
1995/0723		nbytes = 4;
1995/0722		nbytes = 4;
1995/0723		memset(cmd, 0, sizeof(cmd)); cmd[0] = 0x43; cmd[1] = lun<<5; cmd[7] = nbytes>>8; cmd[8] = nbytes>>0;
1995/0722		memset(cmd, 0, sizeof(cmd)); cmd[0] = 0x43; cmd[1] = lun<<5; cmd[7] = nbytes>>8; cmd[8] = nbytes>>0;
1995/0723		d = scsialloc(nbytes); if(d == 0) error(Enomem);
1995/0722		s = scsiexec(t, SCSIread, cmd, sizeof(cmd), data, &nbytes); if(s == STok) break;                  nbytes = Nscratch; scsireqsense(t, lun, t->scratch, &nbytes, 0); }
1995/0723		memset(d, 0, nbytes); s = scsiexec(t, SCSIread, cmd, sizeof(cmd), d, &nbytes); memmove(data, d, 4); scsifree(d);
1995/0722		return s; }
1995/0722/sys/src/9/pc/scsi.c:421,427 – 1995/0723/sys/src/9/pc/scsi.c:421,427
1995/0722		scsitrackinfo(Target *t, char lun, int track, uchar *data) { int s, nbytes; uchar cmd[10];
1995/0723		uchar cmd[10], *d;
1995/0722		nbytes = 12;
1995/0722/sys/src/9/pc/scsi.c:432,437 – 1995/0723/sys/src/9/pc/scsi.c:432,503
1995/0722		cmd[7] = nbytes>>8; cmd[8] = nbytes>>0; s = scsiexec(t, SCSIread, cmd, sizeof(cmd), data, &nbytes);
1995/0723		d = scsialloc(nbytes); if(d == 0) error(Enomem); memset(d, 0, nbytes); s = scsiexec(t, SCSIread, cmd, sizeof(cmd), d, &nbytes); memmove(data, d, 12); scsifree(d);
1995/0722		return s;
1995/0723		} int scsibufsize(Target *t, char lun, int size) { int s, nbytes; uchar cmd[6], *d; nbytes = 12; memset(cmd, 0, sizeof(cmd)); cmd[0] = 0x15; cmd[1] = lun<<5; cmd[4] = nbytes; d = scsialloc(nbytes); if(d == 0) error(Enomem); memset(d, 0, nbytes); d[3] = 8; d[9] = size>>16; d[10] = size>>8; d[11] = size>>0; s = scsiexec(t, SCSIwrite, cmd, sizeof(cmd), d, &nbytes); scsifree(d); return s; } int scsireadcdda(Target *t, char lun, void *b, long n, long bsize, long bno) { uchar cmd[10]; int s, nbytes; memset(cmd, 0, sizeof(cmd)); cmd[0] = 0xd8; cmd[1] = (lun<<5); cmd[2] = bno >> 24; cmd[3] = bno >> 16; cmd[4] = bno >> 8; cmd[5] = bno; cmd[6] = n>>24; cmd[7] = n>>16; cmd[8] = n>>8; cmd[9] = n; nbytes = n*bsize; s = scsiexec(t, SCSIread, cmd, sizeof(cmd), b, &nbytes); if(s < 0) { nbytes = Nscratch; scsireqsense(t, lun, t->scratch, &nbytes, 0); return -1; } return nbytes;
1995/0722		}