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-rwxr-xr-xrc/bin/nusbrc17
-rw-r--r--sys/man/2/nusb3
-rw-r--r--sys/man/4/nusb45
-rw-r--r--sys/man/8/nusbrc14
-rw-r--r--sys/man/8/plan9.ini5
-rwxr-xr-xsys/src/9/boot/nusbrc27
-rw-r--r--sys/src/cmd/nusb/audio/audio.c2
-rw-r--r--sys/src/cmd/nusb/disk/disk.c7
-rw-r--r--sys/src/cmd/nusb/ether/ether.c4
-rw-r--r--sys/src/cmd/nusb/joy/joy.c2
-rw-r--r--sys/src/cmd/nusb/kb/kb.c2
-rw-r--r--sys/src/cmd/nusb/lib/dev.c32
-rw-r--r--sys/src/cmd/nusb/lib/usb.h3
-rw-r--r--sys/src/cmd/nusb/ptp/ptp.c4
-rw-r--r--sys/src/cmd/nusb/serial/serial.c17
-rw-r--r--sys/src/cmd/nusb/usbd/fns.h1
-rw-r--r--sys/src/cmd/nusb/usbd/hname.c17
-rw-r--r--sys/src/cmd/nusb/usbd/mkfile1
-rw-r--r--sys/src/cmd/nusb/usbd/usbd.c42
19 files changed, 182 insertions, 63 deletions
diff --git a/rc/bin/nusbrc b/rc/bin/nusbrc
index 546803a4b..1bff5073b 100755
--- a/rc/bin/nusbrc
+++ b/rc/bin/nusbrc
@@ -7,22 +7,25 @@ if(! bind -a '#u' /dev)
@{
rfork ne
fn attach {
+ id=$1
+ if(~ $#* 5 && ! test -e /env/nousbhname)
+ id=$1:$5
switch($4){
case *01
- nusb/audio $1
+ nusb/audio $id
case *02
# serial and ethernet
- nusb/serial $1
+ nusb/serial $id
# handled /sys/src/9/boot/nusbrc
- # nusb/ether $1
+ # nusb/ether $id
case *03
# handled /sys/src/9/boot/nusbrc
- # nusb/kb $1
+ # nusb/kb $id
case *08
# handled /sys/src/9/boot/nusbrc
- # nusb/disk $1
- case *10106
- nusb/ptp $1
+ # nusb/disk $id
+ case 010106
+ nusb/ptp $id
}
}
fn detach {
diff --git a/sys/man/2/nusb b/sys/man/2/nusb
index dfca0cf5c..681a76fbf 100644
--- a/sys/man/2/nusb
+++ b/sys/man/2/nusb
@@ -28,6 +28,7 @@ struct Dev {
Usbdev* usb; /* USB description */
void* aux; /* for the device driver */
void (*free)(void*); /* idem. to release aux */
+ char* hname; /* hash name, uniqueue for device */
};
.sp 0.3v
struct Usbdev {
@@ -119,7 +120,7 @@ Dev* openep(Dev *d, int id);
int unstall(Dev *dev, Dev *ep, int dir);
int usbcmd(Dev *d, int type, int req,
int value, int index, uchar *data, int count);
-Dev* getdev(int id);
+Dev* getdev(char *devid);
.sp 0.3v
extern int usbdebug; /* more messages for bigger values */
.EE
diff --git a/sys/man/4/nusb b/sys/man/4/nusb
index efcc95eab..fc5d16e42 100644
--- a/sys/man/4/nusb
+++ b/sys/man/4/nusb
@@ -88,23 +88,41 @@ attachment. It provides a filesystem with the file
.B usbevent
(usually seen as
.BR /dev/usbevent )
-which, when read, returns a 5 column, space separated line of
+which, when read, returns a 6 column, space separated line of
text, one for each event. The columns are:
.B attach
or
.B detach
-.I devid
+followed by
+.I addr
.I vid
.I did
+.I csp
and
-.I csp .
-All but
-.I devid
-are formatted as 4 digit hexadecimal. This file is read by
+.I hname .
+The
+.I addr
+is the decimal device address assigned.
+.I Vid
+and
+.I did
+are formatted as 4 digit hexadecimal.
+.I Csp
+is the device class, subclass, protocol indentifier
+formatd as 6 digit hexadecimal.
+.I Usbd
+assigns a stable device uniqueue name based on the
+device descriptor for
+.I hname .
+This information is read by
.IR nusbrc (8)
and the
+.I addr
+and
+.I hname
+are passed to a suitable driver as
.I devid
-is passed to a suitable driver.
+in the form \fIaddr\fB:\fIhname
.SS Keyboards and mice
.I Kb
supports USB keyboards and mice either as separate USB devices
@@ -123,13 +141,10 @@ configures and manages USB mass storage devices. It
provides a file system (usually seen under
.BR /dev )
that includes one directory per storage device, named
-.BI sdU N . M
-in correspondence with the usb device number and the storage
-unit number (or LUN).
-For example, LUN number 2 on
-.B /dev/usb/ep3.0
-can be accessed through
-.BR /dev/sdU3.2 .
+.BI sdU N [. M ]
+in correspondence with the usb device uniqueue name
+and the storage unit number (or LUN). The LUN is omited
+for single lun devices.
.PP
The storage device directory contains the usual files
served by
@@ -183,7 +198,7 @@ provides a file system (usually seen under
that includes one directory per USB serial port, named
.BI eiaU N
or
-.BI eiaU N . M.
+.BI eiaU N [. M ].
In this directory there are two files,
.BR eiaU ,
similar to
diff --git a/sys/man/8/nusbrc b/sys/man/8/nusbrc
index 2105be95b..b6c5e5814 100644
--- a/sys/man/8/nusbrc
+++ b/sys/man/8/nusbrc
@@ -15,9 +15,21 @@ or
.IR cpurc (8)),
.I nusbrc
handles the startup and shutdown of usb drivers on physical
-device attach and detach events.
+device attach and detach events by reading
+.B /dev/usbevent
+file.
.SH SOURCE
.B /rc/bin/nusbrc
.B /sys/src/9/boot/nusbrc
.SH "SEE ALSO"
.IR nusb (4)
+.SH BUGS
+Usb devices appear as files under
+.B /dev
+and
+.B /shr
+identified by the devices uniqueue name assigned by usbd.
+When the environment variable
+.I nousbhname
+is defined, devies are named by ther dynamically assigned
+usb device address instead. This emulates the old behaviour.
diff --git a/sys/man/8/plan9.ini b/sys/man/8/plan9.ini
index 70c04e8fc..6d936f86b 100644
--- a/sys/man/8/plan9.ini
+++ b/sys/man/8/plan9.ini
@@ -812,6 +812,11 @@ It is not on by default because it causes problems on some laptops.
.SS \fLusbwait=\fIvalue\fP
This changes the sleep time from the default 2 to value in cases of
USB devices taking a long time to come online.
+.SS \fLnousbhname=\fP
+When defined,
+.IR nusbrc (8)
+will use the dynamically assigned usb device address to name
+usb devices instead of the device uniqueue name.
.SS VIDEO
.SS \fLmonitor=\fIvalue\fP
.SS \fLvgasize=\fIvalue\fP
diff --git a/sys/src/9/boot/nusbrc b/sys/src/9/boot/nusbrc
index 811f7beeb..29a2d8b56 100755
--- a/sys/src/9/boot/nusbrc
+++ b/sys/src/9/boot/nusbrc
@@ -11,29 +11,33 @@ if(! nusb/usbd)
@{
rfork ne
fn attach {
+ id=$1
+ if(~ $#* 5 && ! test -e /env/nousbhname)
+ id=$1:$5
switch($2$3){
case 0b957720 0b95772a 0db0a877 13b10018 15577720 20013c05 07d13c05 05ac1402
- nusb/ether -t a88772 $etherargs $1
+ nusb/ether -t a88772 $etherargs $id
case 0b951780 14eaab11 17370039 0411006e 050d5055
- nusb/ether -t a88178 $etherargs $1
+ nusb/ether -t a88178 $etherargs $id
case 2001abc1
- nusb/ether -t aue $etherargs $1
+ nusb/ether -t aue $etherargs $id
case 0bda8150
- nusb/ether -t url $etherargs $1
+ nusb/ether -t url $etherargs $id
case 18d14ee3 0bb40003
- nusb/ether -t rndis $etherargs $1
+ nusb/ether -t rndis $etherargs $id
case *
switch($4){
case *03
- nusb/kb $1
+ nusb/kb $id
case *02
# CDC ethernet
- nusb/ether $etherargs $1
+ nusb/ether $etherargs $id
case *08
- if(nusb/disk $1) {@{
+ if(nusb/disk $id) {@{
rfork ne
cd '#σ/usb'
- for(dev in sdU^$1.*) if(test -d $dev) {
+ devs=sdU^($1 $5)
+ for(dev in $devs $devs.*) if(test -d $dev) {
diskparts $dev
for(part in $dev/dos* $dev/9fat) if(test -r $part) {
mkdir -m 0700 '#σc/'^$dev || exit
@@ -45,12 +49,13 @@ if(! nusb/usbd)
}&}
case *
if(~ $2 0424)
- nusb/ether -t smsc $etherargs $1
+ nusb/ether -t smsc $etherargs $id
}
}
}
fn detach {
- rm -rf '#σc/usb/'^$1.* '#σc/sdU'^$1.* '#σc/usbnet/'^$1.*
+ devs='#σc/sdU'^($1 $5)
+ rm -rf '#σc/usb/'^$1.* '#σc/usbnet/'^$1.* $devs $devs.*
}
rc < '#σ/usb/usbevent' &
}
diff --git a/sys/src/cmd/nusb/audio/audio.c b/sys/src/cmd/nusb/audio/audio.c
index a187c8f96..08d9f9fc6 100644
--- a/sys/src/cmd/nusb/audio/audio.c
+++ b/sys/src/cmd/nusb/audio/audio.c
@@ -184,7 +184,7 @@ main(int argc, char *argv[])
if(argc == 0)
usage();
- if((d = getdev(atoi(*argv))) == nil)
+ if((d = getdev(*argv)) == nil)
sysfatal("getdev: %r");
audiodev = d;
diff --git a/sys/src/cmd/nusb/disk/disk.c b/sys/src/cmd/nusb/disk/disk.c
index 0b964f052..b690825ab 100644
--- a/sys/src/cmd/nusb/disk/disk.c
+++ b/sys/src/cmd/nusb/disk/disk.c
@@ -1042,7 +1042,7 @@ main(int argc, char **argv)
if(argc != 1)
usage();
- dev = getdev(atoi(*argv));
+ dev = getdev(*argv);
if(dev == nil)
sysfatal("getdev: %r");
ums = dev->aux = emallocz(sizeof(Ums), 1);
@@ -1062,7 +1062,10 @@ main(int argc, char **argv)
for(i = 0; i <= ums->maxlun; i++){
lun = &ums->lun[i];
- snprint(lun->name, sizeof(lun->name), "sdU%d.%d", dev->id, i);
+ if(ums->maxlun > 0)
+ snprint(lun->name, sizeof(lun->name), "sdU%s.%d", dev->hname, i);
+ else
+ snprint(lun->name, sizeof(lun->name), "sdU%s", dev->hname);
makeparts(lun);
}
snprint(buf, sizeof buf, "%d.disk", dev->id);
diff --git a/sys/src/cmd/nusb/ether/ether.c b/sys/src/cmd/nusb/ether/ether.c
index cc3116911..abdb0f897 100644
--- a/sys/src/cmd/nusb/ether/ether.c
+++ b/sys/src/cmd/nusb/ether/ether.c
@@ -819,7 +819,7 @@ threadmain(int argc, char **argv)
if(argc != 1)
usage();
- if((d = getdev(atoi(*argv))) == nil)
+ if((d = getdev(*argv)) == nil)
sysfatal("getdev: %r");
if(findendpoints(d, &ei, &eo) < 0)
sysfatal("no endpoints found");
@@ -847,7 +847,7 @@ threadmain(int argc, char **argv)
atnotify(inote, 1);
time0 = time(0);
- tab[Qiface].name = smprint("etherU%d", d->id);
+ tab[Qiface].name = smprint("etherU%s", d->hname);
snprint(s, sizeof(s), "%d.ether", d->id);
closedev(d);
threadpostsharesrv(&fs, nil, "usbnet", s);
diff --git a/sys/src/cmd/nusb/joy/joy.c b/sys/src/cmd/nusb/joy/joy.c
index cf9b093d7..c1f7cca71 100644
--- a/sys/src/cmd/nusb/joy/joy.c
+++ b/sys/src/cmd/nusb/joy/joy.c
@@ -410,7 +410,7 @@ threadmain(int argc, char* argv[])
}ARGEND;
if(argc != 1)
usage();
- d = getdev(atoi(*argv));
+ d = getdev(*argv);
if(d == nil)
sysfatal("getdev: %r");
ud = d->usb;
diff --git a/sys/src/cmd/nusb/kb/kb.c b/sys/src/cmd/nusb/kb/kb.c
index 73cb52a41..0f60c9bad 100644
--- a/sys/src/cmd/nusb/kb/kb.c
+++ b/sys/src/cmd/nusb/kb/kb.c
@@ -794,7 +794,7 @@ threadmain(int argc, char* argv[])
}ARGEND;
if(argc != 1)
usage();
- d = getdev(atoi(*argv));
+ d = getdev(*argv);
if(d == nil)
sysfatal("getdev: %r");
ud = d->usb;
diff --git a/sys/src/cmd/nusb/lib/dev.c b/sys/src/cmd/nusb/lib/dev.c
index 60d327e87..2eed9490e 100644
--- a/sys/src/cmd/nusb/lib/dev.c
+++ b/sys/src/cmd/nusb/lib/dev.c
@@ -121,6 +121,7 @@ opendev(char *fn)
free(d);
return nil;
}
+ d->hname = nil;
dprint(2, "%s: opendev %#p %s\n", argv0, d, fn);
return d;
}
@@ -323,6 +324,8 @@ closedev(Dev *d)
d->cfd = d->dfd = -1;
free(d->dir);
d->dir = nil;
+ free(d->hname);
+ d->hname = nil;
ud = d->usb;
d->usb = nil;
if(ud != nil){
@@ -509,12 +512,26 @@ devctl(Dev *dev, char *fmt, ...)
}
Dev *
-getdev(int id)
+getdev(char *devid)
{
+ char buf[40], *p;
Dev *d;
- char buf[40];
-
- snprint(buf, sizeof buf, "/dev/usb/ep%d.0", id);
+
+ if(devid[0] == '/' || devid[0] == '#'){
+ snprint(buf, sizeof buf, "%s", devid);
+ p = strrchr(buf, '/');
+ if(p != nil){
+ p = strrchr(buf, ':');
+ if(p != nil)
+ *p = 0;
+ }
+ } else {
+ p = nil;
+ snprint(buf, sizeof buf, "/dev/usb/ep%ld.0", strtol(devid, &p, 10));
+ if(*p != ':')
+ p = nil;
+ }
+
d = opendev(buf);
if(d == nil)
return nil;
@@ -522,5 +539,12 @@ getdev(int id)
closedev(d);
return nil;
}
+
+ if(p == nil){
+ snprint(buf, sizeof buf, ":%d", d->id);
+ p = buf;
+ }
+ d->hname = strdup(p+1);
+
return d;
}
diff --git a/sys/src/cmd/nusb/lib/usb.h b/sys/src/cmd/nusb/lib/usb.h
index 24454a58f..9f47fe116 100644
--- a/sys/src/cmd/nusb/lib/usb.h
+++ b/sys/src/cmd/nusb/lib/usb.h
@@ -174,6 +174,7 @@ struct Dev
Usbdev* usb; /* USB description */
void* aux; /* for the device driver */
void (*free)(void*); /* idem. to release aux */
+ char* hname; /* hash name, uniqueue for device */
};
/*
@@ -351,7 +352,7 @@ int parsedesc(Usbdev *d, Conf *c, uchar *b, int n);
int parsedev(Dev *xd, uchar *b, int n);
int unstall(Dev *dev, Dev *ep, int dir);
int usbcmd(Dev *d, int type, int req, int value, int index, uchar *data, int count);
-Dev* getdev(int id);
+Dev* getdev(char *devid);
extern int usbdebug; /* more messages for bigger values */
diff --git a/sys/src/cmd/nusb/ptp/ptp.c b/sys/src/cmd/nusb/ptp/ptp.c
index c43ef802c..aae70d984 100644
--- a/sys/src/cmd/nusb/ptp/ptp.c
+++ b/sys/src/cmd/nusb/ptp/ptp.c
@@ -1011,7 +1011,7 @@ threadmain(int argc, char **argv)
if(argc == 0)
usage();
- if((d = getdev(atoi(*argv))) == nil)
+ if((d = getdev(*argv)) == nil)
sysfatal("opendev: %r");
if(findendpoints(d, &epin, &epout, &epint) < 0)
sysfatal("findendpoints: %r");
@@ -1037,7 +1037,7 @@ threadmain(int argc, char **argv)
time0 = time(0);
- snprint(name, sizeof name, "sdU%d", d->id);
+ snprint(name, sizeof name, "sdU%s", d->hname);
snprint(desc, sizeof desc, "%d.ptp", d->id);
threadpostsharesrv(&fs, nil, name, desc);
diff --git a/sys/src/cmd/nusb/serial/serial.c b/sys/src/cmd/nusb/serial/serial.c
index ad6a93bd7..e5a385600 100644
--- a/sys/src/cmd/nusb/serial/serial.c
+++ b/sys/src/cmd/nusb/serial/serial.c
@@ -810,7 +810,7 @@ threadmain(int argc, char* argv[])
}ARGEND
if(argc != 1)
usage();
- dev = getdev(atoi(*argv));
+ dev = getdev(*argv);
if(dev == nil)
sysfatal("getdev: %r");
@@ -859,17 +859,10 @@ threadmain(int argc, char* argv[])
}
dsprint(2, "serial: adding interface %d, %p\n", p->interfc, p);
- if(p->isjtag){
- snprint(p->name, sizeof p->name, "jtag");
- dsprint(2, "serial: JTAG interface %d %p\n", i, p);
- snprint(p->name, sizeof p->name, "jtag%d.%d", dev->id, i);
- } else {
- snprint(p->name, sizeof p->name, "eiaU");
- if(i == 0)
- snprint(p->name, sizeof p->name, "eiaU%d", dev->id);
- else
- snprint(p->name, sizeof p->name, "eiaU%d.%d", dev->id, i);
- }
+ if(ser->nifcs == 1)
+ snprint(p->name, sizeof p->name, "%s%s", p->isjtag ? "jtag" : "eiaU", dev->hname);
+ else
+ snprint(p->name, sizeof p->name, "%s%s.%d", p->isjtag ? "jtag" : "eiaU", dev->hname, i);
fprint(2, "%s...", p->name);
incref(dev);
p->readrend.l = &p->readq;
diff --git a/sys/src/cmd/nusb/usbd/fns.h b/sys/src/cmd/nusb/usbd/fns.h
index 9016610c0..981ff0ceb 100644
--- a/sys/src/cmd/nusb/usbd/fns.h
+++ b/sys/src/cmd/nusb/usbd/fns.h
@@ -2,3 +2,4 @@ int attachdev(Port*);
void detachdev(Port*);
void work(void);
Hub* newhub(char *, Dev *);
+void hname(char *);
diff --git a/sys/src/cmd/nusb/usbd/hname.c b/sys/src/cmd/nusb/usbd/hname.c
new file mode 100644
index 000000000..c88a0faa1
--- /dev/null
+++ b/sys/src/cmd/nusb/usbd/hname.c
@@ -0,0 +1,17 @@
+#include <u.h>
+#include <libc.h>
+#include <mp.h>
+#include <libsec.h>
+
+void
+hname(char *buf)
+{
+ uchar d[SHA1dlen];
+ u32int x;
+ int n;
+
+ n = strlen(buf);
+ sha1((uchar*)buf, n, d, nil);
+ x = d[0] | d[1]<<8 | d[2]<<16;
+ snprint(buf, n+1, "%.5ux", x & 0xfffff);
+}
diff --git a/sys/src/cmd/nusb/usbd/mkfile b/sys/src/cmd/nusb/usbd/mkfile
index 4e8beeb6a..37fa1759c 100644
--- a/sys/src/cmd/nusb/usbd/mkfile
+++ b/sys/src/cmd/nusb/usbd/mkfile
@@ -3,6 +3,7 @@
OFILES=\
usbd.$O\
hub.$O\
+ hname.$O\
HFILES=\
dat.h\
diff --git a/sys/src/cmd/nusb/usbd/usbd.c b/sys/src/cmd/nusb/usbd/usbd.c
index 59a827e01..644c16261 100644
--- a/sys/src/cmd/nusb/usbd/usbd.c
+++ b/sys/src/cmd/nusb/usbd/usbd.c
@@ -221,8 +221,10 @@ static char *
formatdev(Dev *d, int type)
{
Usbdev *u = d->usb;
-
- return smprint("%s %d %.4x %.4x %.8lx\n", type ? "detach" : "attach", d->id, u->vid, u->did, u->csp);
+ return smprint("%s %d %.4x %.4x %.6lx %s\n",
+ type ? "detach" : "attach",
+ d->id, u->vid, u->did, u->csp,
+ d->hname != nil ? d->hname : "");
}
static void
@@ -335,6 +337,39 @@ Srv usbdsrv = {
.destroyfid = usbddestroyfid,
};
+static void
+assignhname(Dev *dev)
+{
+ extern Hub *hubs;
+ char buf[64];
+ Usbdev *ud;
+ Hub *h;
+ int i;
+
+ ud = dev->usb;
+
+ /* build string of device uniqueue stuff */
+ snprint(buf, sizeof(buf), "%.4x%.4x%.4x%.6lx%s",
+ ud->vid, ud->did, ud->dno, ud->csp, ud->serial);
+
+ hname(buf);
+
+ /* check for collisions */
+ for(h = hubs; h != nil; h = h->next){
+ for(i = 1; i <= h->nport; i++){
+ if(h->port[i].dev == nil)
+ continue;
+ if(h->port[i].dev->hname == nil || h->port[i].dev == dev)
+ continue;
+ if(strcmp(h->port[i].dev->hname, buf) == 0){
+ dev->hname = smprint("%s%d", buf, dev->id);
+ return;
+ }
+ }
+ }
+ dev->hname = strdup(buf);
+}
+
int
attachdev(Port *p)
{
@@ -355,6 +390,9 @@ attachdev(Port *p)
/* close control endpoint so driver can open it */
close(d->dfd);
d->dfd = -1;
+
+ /* assign stable name based on device descriptor */
+ assignhname(d);
pushevent(d, formatdev(d, 0));
return 0;
generated by cgit v1.2.3 (git 2.39.1) at 2025-07-21 01:16:29 +0000