call readdisklabel() in the same fashion as sd.c does

2 files changed, 57 insertions, 21 deletions

diff --git a/sys/dev/isa/fd.c b/sys/dev/isa/fd.c
index 06b6c7256b1..949fa9802d7 100644
--- a/sys/dev/isa/fd.c
+++ b/sys/dev/isa/fd.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: fd.c,v 1.29 1996/11/29 22:54:55 niklas Exp $	*/
+/*	$OpenBSD: fd.c,v 1.30 1996/12/05 13:13:05 deraadt Exp $	*/
 /*	$NetBSD: fd.c,v 1.90 1996/05/12 23:12:03 mycroft Exp $	*/
 
 /*-
@@ -953,7 +953,9 @@ fdioctl(dev, cmd, addr, flag, p)
 	struct proc *p;
 {
 	struct fd_softc *fd = fd_cd.cd_devs[FDUNIT(dev)];
-	struct disklabel buffer;
+	struct disklabel dl, *lp = &dl;
+	struct cpu_disklabel cdl;
+	char *msg;
 	int error;
 
 	switch (cmd) {
@@ -962,16 +964,38 @@ fdioctl(dev, cmd, addr, flag, p)
 			return EIO;
 		return (0);
 	case DIOCGDINFO:
-		bzero(&buffer, sizeof(buffer));
-
-		buffer.d_secpercyl = fd->sc_type->seccyl;
-		buffer.d_type = DTYPE_FLOPPY;
-		buffer.d_secsize = 128 << fd->sc_type->secsize;
-
-		if (readdisklabel(dev, fdstrategy, &buffer, NULL) != NULL)
-			return EINVAL;
-
-		*(struct disklabel *)addr = buffer;
+		bzero(lp, sizeof(*lp));
+		bzero(&cdl, sizeof(struct cpu_disklabel));
+
+		lp->d_secsize = 128 << fd->sc_type->secsize;
+		lp->d_secpercyl = fd->sc_type->seccyl;
+		lp->d_ntracks = fd->sc_type->heads;
+		lp->d_nsectors = fd->sc_type->seccyl;
+		lp->d_ncylinders = fd->sc_type->tracks;
+		lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors;
+
+		strncpy(lp->d_typename, "floppy disk", 16);
+		lp->d_type = DTYPE_FLOPPY;
+		strncpy(lp->d_packname, "fictitious", 16);
+		lp->d_secperunit = fd->sc_type->size;
+		lp->d_rpm = 300;
+		lp->d_interleave = 1;
+		lp->d_flags = D_REMOVABLE;
+
+		lp->d_partitions[RAW_PART].p_offset = 0;
+		lp->d_partitions[RAW_PART].p_size =
+		    lp->d_secperunit * (lp->d_secsize / DEV_BSIZE);
+		lp->d_partitions[RAW_PART].p_fstype = FS_UNUSED;
+		lp->d_npartitions = RAW_PART + 1;
+
+		lp->d_magic = DISKMAGIC;
+		lp->d_magic2 = DISKMAGIC;
+		lp->d_checksum = dkcksum(lp);
+
+		if ((msg = readdisklabel(dev, fdstrategy, lp, &cdl)) != NULL)
+			printf("readdisklabel: %s\n", msg);
+
+		*(struct disklabel *)addr = *lp;
 		return 0;
 
 	case DIOCWLABEL:
@@ -984,11 +1008,11 @@ fdioctl(dev, cmd, addr, flag, p)
 		if ((flag & FWRITE) == 0)
 			return EBADF;
 
-		error = setdisklabel(&buffer, (struct disklabel *)addr, 0, NULL);
+		error = setdisklabel(lp, (struct disklabel *)addr, 0, NULL);
 		if (error)
 			return error;
 
-		error = writedisklabel(dev, fdstrategy, &buffer, NULL);
+		error = writedisklabel(dev, fdstrategy, lp, NULL);
 		return error;
 
         case FD_FORM:
diff --git a/sys/dev/isa/mcd.c b/sys/dev/isa/mcd.c
index 0c13c11d319..64ec2eee784 100644
--- a/sys/dev/isa/mcd.c
+++ b/sys/dev/isa/mcd.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: mcd.c,v 1.17 1996/09/20 06:08:10 deraadt Exp $ */
+/*	$OpenBSD: mcd.c,v 1.18 1996/12/05 13:15:28 deraadt Exp $ */
 /*	$NetBSD: mcd.c,v 1.49 1996/05/12 23:53:11 mycroft Exp $	*/
 
 /*
@@ -90,6 +90,7 @@
 
 #define	MCDPART(dev)	DISKPART(dev)
 #define	MCDUNIT(dev)	DISKUNIT(dev)
+#define	MAKEMCDDEV(maj, unit, part)	MAKEDISKDEV(maj, unit, part)
 
 /* toc */
 #define MCD_MAXTOCS	104	/* from the Linux driver */
@@ -679,6 +680,7 @@ mcdgetdisklabel(sc)
 	struct mcd_softc *sc;
 {
 	struct disklabel *lp = sc->sc_dk.dk_label;
+	char *errstring;
 	
 	bzero(lp, sizeof(struct disklabel));
 	bzero(sc->sc_dk.dk_cpulabel, sizeof(struct cpu_disklabel));
@@ -688,28 +690,38 @@ mcdgetdisklabel(sc)
 	lp->d_nsectors = 100;
 	lp->d_ncylinders = (sc->disksize / 100) + 1;
 	lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors;
+	if (lp->d_secpercyl == 0) {
+		lp->d_secpercyl = 100;
+		/* as long as it's not 0 - readdisklabel divides by it (?) */
+	}
 
 	strncpy(lp->d_typename, "Mitsumi CD-ROM", 16);
-	lp->d_type = 0;	/* XXX */
+	lp->d_type = DTYPE_SCSI;	/* XXX */
 	strncpy(lp->d_packname, "fictitious", 16);
 	lp->d_secperunit = sc->disksize;
 	lp->d_rpm = 300;
 	lp->d_interleave = 1;
 	lp->d_flags = D_REMOVABLE;
 
-	lp->d_partitions[0].p_offset = 0;
-	lp->d_partitions[0].p_size =
-	    lp->d_secperunit * (lp->d_secsize / DEV_BSIZE);
-	lp->d_partitions[0].p_fstype = FS_ISO9660;
 	lp->d_partitions[RAW_PART].p_offset = 0;
 	lp->d_partitions[RAW_PART].p_size =
 	    lp->d_secperunit * (lp->d_secsize / DEV_BSIZE);
-	lp->d_partitions[RAW_PART].p_fstype = FS_ISO9660;
+	lp->d_partitions[RAW_PART].p_fstype = FS_UNUSED;
 	lp->d_npartitions = RAW_PART + 1;
 	
 	lp->d_magic = DISKMAGIC;
 	lp->d_magic2 = DISKMAGIC;
 	lp->d_checksum = dkcksum(lp);
+
+	/*
+	 * Call the generic disklabel extraction routine
+	 */
+	errstring = readdisklabel(MAKEMCDDEV(0, sc->sc_dev.dv_unit, RAW_PART),
+	    mcdstrategy, lp, sc->sc_dk.dk_cpulabel);
+	if (errstring) {
+		printf("%s: %s\n", sc->sc_dev.dv_xname, errstring);
+		return;
+	}
 }
 
 int