Import sources from 2011-03-30 iso image

1 files changed, 176 insertions, 0 deletions

diff --git a/sys/src/cmd/usb/lib/dump.c b/sys/src/cmd/usb/lib/dump.c
new file mode 100755
index 000000000..8ba766b62
--- /dev/null
+++ b/sys/src/cmd/usb/lib/dump.c
@@ -0,0 +1,176 @@
+#include <u.h>
+#include <libc.h>
+#include <thread.h>
+#include <bio.h>
+#include "usb.h"
+
+int usbdebug;
+
+static char *edir[] = {"in", "out", "inout"};
+static char *etype[] = {"ctl", "iso", "bulk", "intr"};
+static char* cnames[] =
+{
+	"none", "audio", "comms", "hid", "",
+	"", "", "printer", "storage", "hub", "data"
+};
+static char* devstates[] =
+{
+	"detached", "attached", "enabled", "assigned", "configured"
+};
+
+char*
+classname(int c)
+{
+	static char buf[30];
+
+	if(c >= 0 && c < nelem(cnames))
+		return cnames[c];
+	else{
+		seprint(buf, buf+30, "%d", c);
+		return buf;
+	}
+}
+
+char *
+hexstr(void *a, int n)
+{
+	int i;
+	char *dbuff, *s, *e;
+	uchar *b;
+
+	b = a;
+	dbuff = s = emallocz(1024, 0);
+	*s = 0;
+	e = s + 1024;
+	for(i = 0; i < n; i++)
+		s = seprint(s, e, " %.2ux", b[i]);
+	if(s == e)
+		fprint(2, "%s: usb/lib: hexdump: bug: small buffer\n", argv0);
+	return dbuff;
+}
+
+static char *
+seprintiface(char *s, char *e, Iface *i)
+{
+	int	j;
+	Altc	*a;
+	Ep	*ep;
+	char	*eds, *ets;
+
+	s = seprint(s, e, "\t\tiface csp %s.%uld.%uld\n",
+		classname(Class(i->csp)), Subclass(i->csp), Proto(i->csp));
+	for(j = 0; j < Naltc; j++){
+		a=i->altc[j];
+		if(a == nil)
+			break;
+		s = seprint(s, e, "\t\t  alt %d attr %d ival %d",
+			j, a->attrib, a->interval);
+		if(a->aux != nil)
+			s = seprint(s, e, " devspec %p\n", a->aux);
+		else
+			s = seprint(s, e, "\n");
+	}
+	for(j = 0; j < Nep; j++){
+		ep = i->ep[j];
+		if(ep == nil)
+			break;
+		eds = ets = "";
+		if(ep->dir <= nelem(edir))
+			eds = edir[ep->dir];
+		if(ep->type <= nelem(etype))
+			ets = etype[ep->type];
+		s = seprint(s, e, "\t\t  ep id %d addr %d dir %s type %s"
+			" itype %d maxpkt %d ntds %d\n",
+			ep->id, ep->addr, eds, ets, ep->isotype,
+			ep->maxpkt, ep->ntds);
+	}
+	return s;
+}
+
+static char*
+seprintconf(char *s, char *e, Usbdev *d, int ci)
+{
+	int i;
+	Conf *c;
+	char *hd;
+
+	c = d->conf[ci];
+	s = seprint(s, e, "\tconf: cval %d attrib %x %d mA\n",
+		c->cval, c->attrib, c->milliamps);
+	for(i = 0; i < Niface; i++)
+		if(c->iface[i] == nil)
+			break;
+		else
+			s = seprintiface(s, e, c->iface[i]);
+	for(i = 0; i < Nddesc; i++)
+		if(d->ddesc[i] == nil)
+			break;
+		else if(d->ddesc[i]->conf == c){
+			hd = hexstr((uchar*)&d->ddesc[i]->data,
+				d->ddesc[i]->data.bLength);
+			s = seprint(s, e, "\t\tdev desc %x[%d]: %s\n",
+				d->ddesc[i]->data.bDescriptorType,
+				d->ddesc[i]->data.bLength, hd);
+			free(hd);
+		}
+	return s;
+}
+
+int
+Ufmt(Fmt *f)
+{
+	int i;
+	Dev *d;
+	Usbdev *ud;
+	char buf[1024];
+	char *s, *e;
+
+	s = buf;
+	e = buf+sizeof(buf);
+	d = va_arg(f->args, Dev*);
+	if(d == nil)
+		return fmtprint(f, "<nildev>\n");
+	s = seprint(s, e, "%s", d->dir);
+	ud = d->usb;
+	if(ud == nil)
+		return fmtprint(f, "%s %ld refs\n", buf, d->ref);
+	s = seprint(s, e, " csp %s.%uld.%uld",
+		classname(Class(ud->csp)), Subclass(ud->csp), Proto(ud->csp));
+	s = seprint(s, e, " vid %#ux did %#ux", ud->vid, ud->did);
+	s = seprint(s, e, " refs %ld\n", d->ref);
+	s = seprint(s, e, "\t%s %s %s\n", ud->vendor, ud->product, ud->serial);
+	for(i = 0; i < Nconf; i++){
+		if(ud->conf[i] == nil)
+			break;
+		else
+			s = seprintconf(s, e, ud, i);
+	}
+	return fmtprint(f, "%s", buf);
+}
+
+char*
+estrdup(char *s)
+{
+	char *d;
+
+	d = strdup(s);
+	if(d == nil)
+		sysfatal("strdup: %r");
+	setmalloctag(d, getcallerpc(&s));
+	return d;
+}
+
+void*
+emallocz(ulong size, int zero)
+{
+	void *x;
+
+	x = malloc(size);
+	if(x == nil)
+		sysfatal("malloc: %r");
+	if(zero)
+		memset(x, 0, size);
+	setmalloctag(x, getcallerpc(&size));
+	return x;
+}
+