Plan 9 from Bell Labs 2008-03-21

dist/replica/_plan9.db

@@ -172,7 +172,7 @@
 386/bin/calendar - 775 sys sys 1200262736 79060
 386/bin/cat - 775 sys sys 1148500611 37482
 386/bin/cb - 775 sys sys 1168402293 77628
-386/bin/cdfs - 775 sys sys 1205524026 171999
+386/bin/cdfs - 775 sys sys 1206069507 173352
 386/bin/cec - 775 sys sys 1193714267 75896
 386/bin/cfs - 775 sys sys 1190863294 130565
 386/bin/chgrp - 775 sys sys 1168402294 59522
@@ -353,7 +353,7 @@
 386/bin/ndb/mkdb - 775 sys sys 1168402340 64211
 386/bin/ndb/mkhash - 775 sys sys 1178568296 83312
 386/bin/ndb/mkhosts - 775 sys sys 1178568296 84355
-386/bin/ndb/query - 775 sys sys 1188447268 82960
+386/bin/ndb/query - 775 sys sys 1206042296 83761
 386/bin/netkey - 775 sys sys 1168402341 72717
 386/bin/netstat - 775 sys sys 1204292542 86477
 386/bin/news - 775 sys sys 1168402341 71956
@@ -7722,7 +7722,7 @@ sys/man/4/INDEX - 664 sys sys 1196638942 1026
 sys/man/4/INDEX.html - 664 sys sys 1196638942 5147
 sys/man/4/acme - 664 sys sys 1196638943 10435
 sys/man/4/archfs - 664 sys sys 1196638943 533
-sys/man/4/cdfs - 664 sys sys 1205857355 4480
+sys/man/4/cdfs - 664 sys sys 1206047086 4636
 sys/man/4/cfs - 664 sys sys 1196638943 2136
 sys/man/4/consolefs - 664 sys sys 1196638943 4389
 sys/man/4/cwfs - 664 sys sys 1196638943 6553
@@ -8178,7 +8178,7 @@ sys/src/9/pc/screen.h - 664 sys sys 1147023549 4256
 sys/src/9/pc/sd53c8xx.c - 664 sys sys 1170456695 55276
 sys/src/9/pc/sd53c8xx.i - 664 sys sys 1128547230 28453
 sys/src/9/pc/sd53c8xx.n - 664 sys sys 1131290556 12657
-sys/src/9/pc/sdata.c - 664 sys sys 1202251523 53036
+sys/src/9/pc/sdata.c - 664 sys sys 1205986828 53185
 sys/src/9/pc/sdiahci.c - 664 sys sys 1200348596 38496
 sys/src/9/pc/sdmv50xx.c - 664 sys sys 1204232564 34031
 sys/src/9/pc/sdmylex.c - 664 sys sys 1189229947 28395
@@ -10019,11 +10019,11 @@ sys/src/cmd/cc/sub.c - 664 sys sys 1143759345 34268
 sys/src/cmd/cc/y.tab.h - 664 sys sys 1098501521 1680
 sys/src/cmd/cdfs - 20000000775 sys sys 1039727558 0
 sys/src/cmd/cdfs/buf.c - 664 sys sys 1205271166 1923
-sys/src/cmd/cdfs/dat.h - 664 sys sys 1205470094 4603
+sys/src/cmd/cdfs/dat.h - 664 sys sys 1206046829 4619
 sys/src/cmd/cdfs/fns.h - 664 sys sys 969542122 297
-sys/src/cmd/cdfs/main.c - 664 sys sys 1205470095 11592
+sys/src/cmd/cdfs/main.c - 664 sys sys 1206046865 12396
 sys/src/cmd/cdfs/mkfile - 664 sys sys 1204937991 153
-sys/src/cmd/cdfs/mmc.c - 664 sys sys 1205470177 30641
+sys/src/cmd/cdfs/mmc.c - 664 sys sys 1206046883 32136
 sys/src/cmd/cec - 20000000775 sys sys 1193683647 0
 sys/src/cmd/cec/LICENSE - 664 sys sys 1186248056 1554
 sys/src/cmd/cec/Protocol - 664 sys sys 1186248056 2881
@@ -12848,7 +12848,7 @@ sys/src/cmd/ndb/mkdb.c - 664 sys sys 957402054 2886
 sys/src/cmd/ndb/mkfile - 664 sys sys 1205354106 2000
 sys/src/cmd/ndb/mkhash.c - 664 sys sys 1014926160 2899
 sys/src/cmd/ndb/mkhosts.c - 664 sys sys 957402054 4294
-sys/src/cmd/ndb/query.c - 664 sys sys 1188422202 1793
+sys/src/cmd/ndb/query.c - 664 sys sys 1205986702 1913
 sys/src/cmd/netstat.c - 664 sys sys 1128255434 4086
 sys/src/cmd/news.c - 664 sys sys 1014926614 3778
 sys/src/cmd/nfs.c - 664 sys sys 1050068720 31096
@@ -15873,5 +15873,3 @@ usr/glenda/lib/profile - 664 glenda glenda 1105128663 890
 usr/glenda/readme.acme - 664 glenda glenda 1019860628 4753
 usr/glenda/readme.rio - 664 glenda glenda 1019860628 6370
 usr/glenda/tmp - 20000000775 glenda glenda 1018802620 0
-sys/src/9/pc/sdata.c - 664 sys sys 1205986828 53185
-sys/src/cmd/ndb/query.c - 664 sys sys 1205986702 1913

dist/replica/plan9.db

@@ -172,7 +172,7 @@
 386/bin/calendar - 775 sys sys 1200262736 79060
 386/bin/cat - 775 sys sys 1148500611 37482
 386/bin/cb - 775 sys sys 1168402293 77628
-386/bin/cdfs - 775 sys sys 1205524026 171999
+386/bin/cdfs - 775 sys sys 1206069507 173352
 386/bin/cec - 775 sys sys 1193714267 75896
 386/bin/cfs - 775 sys sys 1190863294 130565
 386/bin/chgrp - 775 sys sys 1168402294 59522
@@ -353,7 +353,7 @@
 386/bin/ndb/mkdb - 775 sys sys 1168402340 64211
 386/bin/ndb/mkhash - 775 sys sys 1178568296 83312
 386/bin/ndb/mkhosts - 775 sys sys 1178568296 84355
-386/bin/ndb/query - 775 sys sys 1188447268 82960
+386/bin/ndb/query - 775 sys sys 1206042296 83761
 386/bin/netkey - 775 sys sys 1168402341 72717
 386/bin/netstat - 775 sys sys 1204292542 86477
 386/bin/news - 775 sys sys 1168402341 71956
@@ -7722,7 +7722,7 @@ sys/man/4/INDEX - 664 sys sys 1196638942 1026
 sys/man/4/INDEX.html - 664 sys sys 1196638942 5147
 sys/man/4/acme - 664 sys sys 1196638943 10435
 sys/man/4/archfs - 664 sys sys 1196638943 533
-sys/man/4/cdfs - 664 sys sys 1205857355 4480
+sys/man/4/cdfs - 664 sys sys 1206047086 4636
 sys/man/4/cfs - 664 sys sys 1196638943 2136
 sys/man/4/consolefs - 664 sys sys 1196638943 4389
 sys/man/4/cwfs - 664 sys sys 1196638943 6553
@@ -10019,11 +10019,11 @@ sys/src/cmd/cc/sub.c - 664 sys sys 1143759345 34268
 sys/src/cmd/cc/y.tab.h - 664 sys sys 1098501521 1680
 sys/src/cmd/cdfs - 20000000775 sys sys 1039727558 0
 sys/src/cmd/cdfs/buf.c - 664 sys sys 1205271166 1923
-sys/src/cmd/cdfs/dat.h - 664 sys sys 1205470094 4603
+sys/src/cmd/cdfs/dat.h - 664 sys sys 1206046829 4619
 sys/src/cmd/cdfs/fns.h - 664 sys sys 969542122 297
-sys/src/cmd/cdfs/main.c - 664 sys sys 1205470095 11592
+sys/src/cmd/cdfs/main.c - 664 sys sys 1206046865 12396
 sys/src/cmd/cdfs/mkfile - 664 sys sys 1204937991 153
-sys/src/cmd/cdfs/mmc.c - 664 sys sys 1205470177 30641
+sys/src/cmd/cdfs/mmc.c - 664 sys sys 1206046883 32136
 sys/src/cmd/cec - 20000000775 sys sys 1193683647 0
 sys/src/cmd/cec/LICENSE - 664 sys sys 1186248056 1554
 sys/src/cmd/cec/Protocol - 664 sys sys 1186248056 2881

dist/replica/plan9.log

@@ -18827,3 +18827,9 @@
 1205985604 0 c sys/man/6/style - 664 sys sys 1205985568 2659
 1205987404 0 c sys/src/9/pc/sdata.c - 664 sys sys 1205986828 53185
 1205987404 1 c sys/src/cmd/ndb/query.c - 664 sys sys 1205986702 1913
+1206043204 0 c 386/bin/ndb/query - 775 sys sys 1206042296 83761
+1206046804 0 c sys/src/cmd/cdfs/dat.h - 664 sys sys 1206046829 4619
+1206046804 1 c sys/src/cmd/cdfs/main.c - 664 sys sys 1206046865 12396
+1206046804 2 c sys/src/cmd/cdfs/mmc.c - 664 sys sys 1206046883 32136
+1206048605 0 c sys/man/4/cdfs - 664 sys sys 1206047086 4636
+1206070204 0 c 386/bin/cdfs - 775 sys sys 1206069507 173352

sys/man/4/cdfs

@@ -117,6 +117,9 @@ Blank the entire rewritable disc in the drive.
 Blank only the table of contents on the rewritable
 disc in the drive.
 .TP
+.B closetracks
+Close any open tracks on the current disc but do not finalize (fixate) the disc.
+.TP
 .B eject
 Eject the disc in the drive.
 .TP
@@ -156,6 +159,7 @@ an internet CD database
 to get a table of contents.
 Subsequent lines contain the current and maximum
 reading and writing speeds.
+Additional lines may further describe the current disc.
 .PD
 .PP
 .I Aux/cddb

sys/src/cmd/cdfs/dat.h

@@ -166,6 +166,7 @@ struct Drive
 
 	/* disc characteristics */
 	int	mmctype;
+	char	*dvdtype;
 	int	firsttrack;
 	int	ntrack;
 	int	nchange;		/* compare with the members in Scsi */

sys/src/cmd/cdfs/main.c

@@ -15,6 +15,8 @@ struct Aux {
 	Otrack	*o;
 };
 
+ulong	getnwa(Drive *);
+
 static void checktoc(Drive*);
 
 int vflag;
@@ -111,9 +113,8 @@ fswalk1(Fid *fid, char *name, Qid *qid)
 		for(i=0; i<drive->ntrack; i++)
 			if(strcmp(drive->track[i].name, name) == 0)
 				break;
-		if(i == drive->ntrack) {
+		if(i == drive->ntrack)
 			return "file not found";
-		}
 		*qid = (Qid){Qtrack+i, 0, 0};
 		return nil;
 
@@ -291,8 +292,8 @@ diskid(Drive *d)
 	tmp = (me->m*60+me->s) - (ms->m*60+ms->s);
 
 	/*
-	 * the spec says n%0xFF rather than n&0xFF.  it's unclear which is correct.
-	 * most CDs are in the database under both entries.
+	 * the spec says n%0xFF rather than n&0xFF.  it's unclear which is
+	 * correct.  most CDs are in the database under both entries.
 	 */
 	return ((n % 0xFF) << 24 | (tmp << 8) | d->ntrack);
 }
@@ -301,33 +302,69 @@ static void
 readctl(Req *r)
 {
 	int i, isaudio;
+	char *p, *e;
 	char s[1024];
 	Msf *m;
 
-	strcpy(s, "");
-
 	isaudio = 0;
 	for(i=0; i<drive->ntrack; i++)
 		if(drive->track[i].type == TypeAudio)
 			isaudio = 1;
 
+	p = s;
+	e = s + sizeof s;
+	*p = '\0';
 	if(isaudio){
-		sprint(s, "aux/cddb query %8.8lux %d", diskid(drive), drive->ntrack);
+		p = seprint(p, e, "aux/cddb query %8.8lux %d", diskid(drive),
+			drive->ntrack);
 		for(i=0; i<drive->ntrack; i++){
 			m = &drive->track[i].mbeg;
-			sprint(s+strlen(s), " %d", (m->m*60+m->s)*75+m->f);
+			p = seprint(p, e, " %d", (m->m*60 + m->s)*75 + m->f);
 		}
 		m = &drive->track[drive->ntrack].mbeg;
-		sprint(s+strlen(s), " %d\n", m->m*60+m->s);
+		p = seprint(p, e, " %d\n", m->m*60 + m->s);
 	}
 
 	if(drive->readspeed == drive->writespeed)
-		sprint(s+strlen(s), "speed %d\n", drive->readspeed);
+		p = seprint(p, e, "speed %d\n", drive->readspeed);
 	else
-		sprint(s+strlen(s), "speed read %d write %d\n",
+		p = seprint(p, e, "speed read %d write %d\n",
 			drive->readspeed, drive->writespeed);
-	sprint(s+strlen(s), "maxspeed read %d write %d\n",
+	p = seprint(p, e, "maxspeed read %d write %d\n",
 		drive->maxreadspeed, drive->maxwritespeed);
+
+	if (drive->Scsi.changetime != 0 && drive->ntrack != 0) { /* have disc? */
+		switch (drive->mmctype) {
+		case Mmccd:
+			p = seprint(p, e, "cd-");
+			break;
+		case Mmcdvdminus:
+		case Mmcdvdplus:
+			p = seprint(p, e, "%s", drive->dvdtype);
+			break;
+		case Mmcbd:
+			p = seprint(p, e, "bd-");
+			break;
+		case Mmcnone:
+			p = seprint(p, e, "no disc");
+			break;
+		default:
+			p = seprint(p, e, "**GOK**");
+			break;
+		}
+		if (drive->mmctype != Mmcnone) {
+			if (drive->dvdtype == nil)
+				if (drive->erasable)
+					p = seprint(p, e, "rw");
+				else if (drive->recordable)
+					p = seprint(p, e, "r");
+				else
+					p = seprint(p, e, "rom");
+			p = seprint(p, e, " next writable sector %lud",
+				getnwa(drive));
+		}
+		seprint(p, e, "\n");
+	}
 	readstr(r, s);
 }
 

sys/src/cmd/cdfs/mmc.c

@@ -77,6 +77,15 @@ biges(void *p)
 	return (a[0]<<8) | a[1];
 }
 
+ulong
+getnwa(Drive *drive)
+{
+	Mmcaux *aux;
+
+	aux = drive->aux;
+	return aux->mmcnwa;
+}
+
 static void
 hexdump(void *v, int n)
 {
@@ -488,7 +497,7 @@ mmctrackinfo(Drive *drive, int t, int i)
 //	dmode = resp[6] & 0x0F;
 
 	if(vflag)
-		print("track %d type %d (%s)\n", t, tmode,
+		print("track %d type %d (%s)", t, tmode,
 			(tmode < nelem(tracktype)? tracktype[tmode]: "**GOK**"));
 	type = TypeNone;
 	bs = BScdda;
@@ -522,13 +531,22 @@ mmctrackinfo(Drive *drive, int t, int i)
 	drive->track[i].bs = bs;
 	drive->track[i].size = (vlong)(size-2) * bs;	/* -2: skip lead out */
 
-	if(resp[6] & (1<<6)) {
+	if(resp[6] & (1<<6)) {			/* blank? */
 		drive->track[i].type = TypeBlank;
 		drive->writeok = 1;
 	}
 
-	if(t == Invistrack)
+	if(vflag)
+		print(" start %lud end %lud", beg, beg + size - 1);
+	/* resp[6] & (1<<7) of zero: invisible track */
+	/* t == getinvistrack(): invisible track */
+	if(t == Invistrack || resp[7] & 1) {	/* invis or nwa valid? */
 		aux->mmcnwa = bige(&resp[12]);
+		if (vflag)
+			print(" nwa %lud", aux->mmcnwa);
+	}
+	if (vflag)
+		print("\n");
 	return 0;
 }
 
@@ -621,6 +639,7 @@ getdvdstruct(Drive *drive)
 	cat = (resp[4] & 0xf0) >> 4;	/* disk category, MMC-6 §6.22.3.2.1 */
 	if (vflag)
 		fprint(2, "dvd type is %s\n", dvdtype[cat]);
+	drive->dvdtype = dvdtype[cat];
 	/* write parameters mode page may suffice to compute writeok for dvd */
 	drive->erasable = drive->recordable = 0;
 	/*
@@ -821,6 +840,7 @@ mmcgettoc(Drive *drive)
 	}
 
 	drive->mmctype = Mmcnone;
+	drive->dvdtype = nil;
 	getdvdstruct(drive);
 	getbdstruct(drive);
 	if (drive->mmctype == Mmcnone)
@@ -1237,6 +1257,7 @@ mmccreate(Drive *drive, int type)
 
 /*
  * issue some form of close track, close session or finalize disc command.
+ * see The Matrix, table 252 in MMC-6 §6.3.2.3.
  */
 static int
 mmcxclose(Drive *drive, int clf, int trackno)
@@ -1307,6 +1328,48 @@ mmcclose(Otrack *o)
 	free(o);
 }
 
+/*
+ * just close the current tracks.
+ */
+static int
+closetracks(Drive *drive)
+{
+	int r, invis;
+	uchar *p;
+	Mmcaux *aux;
+
+	if (drive->mmctype == Mmcdvdplus && drive->erasable) {
+		werrstr("dvd+rw can't close tracks without finalizing");
+		return -1;
+	}
+	if((drive->cap & Cwrite) == 0) {
+		werrstr("drive not a writer");
+		return -1;
+	}
+	drive->nchange = -1;		/* force reread toc */
+
+	/* page 5 is legacy and now read-only; see MMC-6 §7.5.4.1 */
+	aux = drive->aux;
+	p = aux->page05;
+	/*
+	 * p[3] is multi-session / fp / copy / track mode.
+	 * zero multi-session field: next session not allowed.
+	 */
+	p[3] &= ~0xC0;
+	/* try to set it but don't freak out if it fails */
+	mmcsetpage(drive, Pagwrparams, p);
+
+	invis = getinvistrack(drive);
+	if (invis < 0)
+		invis = Invistrack;
+	if (vflag)
+		fprint(2, "closing invis track %d...\n", invis);
+	r = mmcxclose(drive, Closetrack, invis);
+	if (vflag)
+		fprint(2, "... done.\n");
+	return r;
+}
+
 /*
  * close the current session, then finalize the disc.
  */
@@ -1381,18 +1444,22 @@ e(int status)
 static char*
 mmcctl(Drive *drive, int argc, char **argv)
 {
+	char *cmd;
+
 	if(argc < 1)
 		return nil;
-
-	if(strcmp(argv[0], "format") == 0)
+	cmd = argv[0];
+	if(strcmp(cmd, "format") == 0)
 		return e(format(drive));
-	if(strcmp(argv[0], "blank") == 0)
+	if(strcmp(cmd, "blank") == 0)
 		return e(mmcblank(drive, 0));
-	if(strcmp(argv[0], "quickblank") == 0)
+	if(strcmp(cmd, "quickblank") == 0)
 		return e(mmcblank(drive, 1));
-	if(strcmp(argv[0], "eject") == 0)
+	if(strcmp(cmd, "closetracks") == 0)
+		return e(closetracks(drive));
+	if(strcmp(cmd, "eject") == 0)
 		return e(start(drive, 2));
-	if(strcmp(argv[0], "ingest") == 0)
+	if(strcmp(cmd, "ingest") == 0)
 		return e(start(drive, 3));
 	return "bad arg";
 }