2002/0414/port/devpnp.c (diff list | history)

2002/0109/sys/src/9/port/devpnp.c:485,494 – 2002/0414/sys/src/9/port/devpnp.c:485,496 (short | long | prev | next)
2001/0728		static long pnpread(Chan *c, void *va, long n, vlong offset) {
2002/0414		ulong x;
2001/0728		Card *cp;
2001/0801		Pcidev *p; int csn, i, tbdf;
2002/0414		char buf[256], *ebuf, *w;
2001/0809		char *a = va;
2002/0414		int csn, i, tbdf, r;
2001/0728		switch(TYPE(c->qid)){ case Qtopdir:
2002/0109/sys/src/9/port/devpnp.c:511,519 – 2002/0414/sys/src/9/port/devpnp.c:513,521
2001/0809		qlock(&pnp);
2001/0728		initiation(); cmd(0x03, csn); /* Wake up the card */ for (i = 0; i < offset+9; i++) /* 9 == skip serial + csum */
2002/0414		for(i = 0; i < offset+9; i++) /* 9 == skip serial + csum */
2001/0728		getresbyte(pnp.rddata); for (i = 0; i < n; i++)
2002/0414		for(i = 0; i < n; i++)
2001/0728		a[i] = getresbyte(pnp.rddata); cmd(0x03, 0); /* Wake all cards with a CSN of 0, putting this card to sleep */ cmd(0x02, 0x02); /* return cards to Wait for Key state */
2002/0109/sys/src/9/port/devpnp.c:531,545 – 2002/0414/sys/src/9/port/devpnp.c:533,571
2001/0801		p = pcimatchtbdf(tbdf); if(p == nil) error(Egreg);
2001/0809		sprint(up->genbuf, "class %.2x subclass %.2x piclass %.2x vid %.4x did %.4x intl %d\n",
2002/0414		ebuf = buf+sizeof buf-1; /* -1 for newline */ w = seprint(buf, ebuf, "%.2x.%.2x.%.2x %.4x/%.4x %3d",
2001/0801		p->ccrb, p->ccru, p->ccrp, p->vid, p->did, p->intl);
2001/0809		return readstr(offset, a, n, up->genbuf);
2002/0414		for(i=0; i<nelem(p->mem); i++){ if(p->mem[i].size == 0) continue; w = seprint(w, ebuf, " %d:%.8lux %d", i, p->mem[i].bar, p->mem[i].size); } *w++ = '\n'; *w = '\0'; return readstr(offset, a, n, buf);
2001/0801		case Qpciraw: tbdf = MKBUS(BusPCI, 0, 0, 0)|BUSBDF((ulong)c->qid.path); p = pcimatchtbdf(tbdf); if(p == nil) error(Egreg); break;
2002/0414		if(offset > 128) return 0; if(n+offset > 128) n = 128-offset; if(offset%4) error(Ebadarg); r = offset; for(i = 0; i+4 <= n; i+=4) { x = pcicfgr32(p, r); a[0] = x; a[1] = (x>>8); a[2] = (x>>16); a[3] = (x>>24); a += 4; r += 4; } return i;
2001/0728		default: error(Egreg); }