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nusb/lib: decode more base class codes in classname()

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This commit is contained in:
cinap_lenrek 2024-12-07 15:55:12 +00:00
parent eab5162760
commit 8cc080311f
1 changed files with 35 additions and 9 deletions
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44
sys/src/cmd/nusb/lib/dump.c
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@ -9,8 +9,25 @@ static char *edir[] = {"in", "out", "inout"};
static char *etype[] = {"ctl", "iso", "bulk", "intr"};
static char* cnames[] =
{
"none", "audio", "comms", "hid", "",
"", "", "printer", "storage", "hub", "data"
[0x00] "none",
[0x01] "audio",
[0x02] "comms",
[0x03] "hid",
[0x05] "phys",
[0x06] "image",
[0x07] "printer",
[0x08] "storage",
[0x09] "hub",
[0x0A] "data",
[0x0B] "smartcard",
[0x0D] "drm",
[0x0E] "video",
[0x0F] "healthcare",
[0x10] "av",
[0x11] "billboard",
[0x12] "usbc",
[0x13] "display",
[0x14] "mctp",
};
static char* devstates[] =
{
@ -20,12 +37,23 @@ static char* devstates[] =
char*
classname(int c)
{
static char buf[30];
static char buf[12];
if(c >= 0 && c < nelem(cnames))
if(c >= 0 && c < nelem(cnames) && cnames[c] != nil && cnames[c][0] != '\0')
return cnames[c];
else{
seprint(buf, buf+30, "%d", c);
switch(c){
case 0x3C: /* I3C Device Class */
return "i3c";
case 0xDC: /* Diagnostic Device */
return "debug";
case 0xE0: /* Wireless Controller */
return "wireless";
case 0xEF: /* Miscellaneous */
return "misc";
case 0xFE: /* Application specific */
return "spec";
default:
snprint(buf, sizeof(buf), "%d", c);
return buf;
}
}
@ -146,11 +174,9 @@ emallocz(ulong size, int zero)
{
void *x;
x = malloc(size);
x = mallocz(size, zero);
if(x == nil)
sysfatal("malloc: %r");
if(zero)
memset(x, 0, size);
setmalloctag(x, getcallerpc(&size));
return x;
}