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#include <u.h>
#include <libc.h>
#include <thread.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 void
fmtprintiface(Fmt *f, Iface *i)
{
int j;
Ep *ep;
char *eds, *ets;
fmtprint(f, "\t\tiface csp %s.%uld.%uld alt %d\n",
classname(Class(i->csp)), Subclass(i->csp), Proto(i->csp), i->alt);
for(j = 0; j < nelem(i->ep); 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];
fmtprint(f, "\t\t ep id %d addr %d dir %s type %s"
" attrib %x maxpkt %d ntds %d pollival %d\n",
ep->id, ep->id & Epmax, eds, ets, ep->attrib,
ep->maxpkt, ep->ntds, ep->pollival);
}
}
static void
fmtprintconf(Fmt *f, Usbdev *d, int ci)
{
int i;
Conf *c;
Iface *fc;
char *hd;
c = d->conf[ci];
fmtprint(f, "\tconf: cval %d attrib %x %d mA\n",
c->cval, c->attrib, c->milliamps);
for(i = 0; i < Niface; i++){
for(fc = c->iface[i]; fc != nil; fc = fc->next)
fmtprintiface(f, fc);
}
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);
fmtprint(f, "\t\tdev desc %x[%d]: %s\n",
d->ddesc[i]->data.bDescriptorType,
d->ddesc[i]->data.bLength, hd);
free(hd);
}
}
int
Ufmt(Fmt *f)
{
int i;
Dev *d;
Usbdev *ud;
d = va_arg(f->args, Dev*);
if(d == nil)
return fmtprint(f, "<nildev>\n");
fmtprint(f, "%s", d->dir);
ud = d->usb;
if(ud == nil)
return fmtprint(f, " %ld refs\n", d->ref);
fmtprint(f, " csp %s.%uld.%uld",
classname(Class(ud->csp)), Subclass(ud->csp), Proto(ud->csp));
fmtprint(f, " vid %#ux did %#ux", ud->vid, ud->did);
fmtprint(f, " refs %ld\n", d->ref);
fmtprint(f, "\t%s %s %s\n", ud->vendor, ud->product, ud->serial);
for(i = 0; i < Nconf; i++){
if(ud->conf[i] == nil)
break;
else
fmtprintconf(f, ud, i);
}
return 0;
}
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;
}
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