1991/0402/power/devhotrod.c (diff list | history)

1991/0401/sys/src/9/power/devhotrod.c:25,31 – 1991/0402/sys/src/9/power/devhotrod.c:25,31 (short | long | prev | next)
1991/0303		/*
1991/0307		* If 1, ENABCKSUM causes data transfers to have checksums
1991/0303		*/
1991/0331		#define ENABCKSUM 0
1991/0402		#define ENABCKSUM 1
1991/0303
1990/1013		typedef struct Hotrod Hotrod;
1991/0401/sys/src/9/power/devhotrod.c:278,283 – 1991/0402/sys/src/9/power/devhotrod.c:278,284
1991/0212		* use supplied buffer, no need to lock for reply */
1991/0306		isflush = 0;
1991/0402		memset(buf, 0, n);
1991/0306		mp = &((User*)(u->p->upage->pa|KZERO))->khot; if(mp->abort){ /* use reserved flush msg */ mp = &((User*)(u->p->upage->pa|KZERO))->fhot;
1991/0401/sys/src/9/power/devhotrod.c:313,323 – 1991/0402/sys/src/9/power/devhotrod.c:314,334
1991/0303		if(mp->param[2] != hotsum(buf, m, mp->param[2])){
1991/0307		hp->addr->error++;
1991/0303		print("hotrod cksum err is %lux sb %lux\n", hotsum(buf, n, 1), mp->param[2]);
1991/0307		{int i; for(i=0; i<8; i++) print("%lux\n", ((ulong*)buf)[i]); }
1991/0402		hotsum(buf, m, 1), mp->param[2]); print("addr %lux\n", ((char*)buf)+m); { int i; ulong *p = buf; for(i=2; i<m/4; i++) if(p[i] != i-2) print("%d sb %d %lux %lux\n", p[i], i-2, p[i], &p[i]); }
1991/0303		error(Eio); }
1991/0306		if(!isflush)
1991/0402		mp->abort = 0; if(isflush) u->khot.abort = 0; /* flushed message's done too */ else
1991/0306		poperror();
1991/0212		}else{ /*
1991/0401/sys/src/9/power/devhotrod.c:347,358 – 1991/0402/sys/src/9/power/devhotrod.c:358,370
1991/0303		if(mp->param[2] != hotsum((ulong*)hp->buf, m, mp->param[2])){
1991/0307		hp->addr->error++;
1991/0303		print("hotrod cksum err is %lux sb %lux\n", hotsum((ulong*)hp->buf, n, 1), mp->param[2]);
1991/0402		hotsum((ulong*)hp->buf, m, 1), mp->param[2]);
1991/0303		qunlock(&hp->buflock);
1991/0307		{int i; for(i=0; i<8; i++) print("%lux\n", ((ulong*)buf)[i]); }
1991/0303		error(Eio); }
1991/0318		memmove(buf, hp->buf, m);
1991/0402		mp->abort = 0;
1991/0303		qunlock(&hp->buflock);
1991/0212		}
1991/0303		return m;
1991/0401/sys/src/9/power/devhotrod.c:383,388 – 1991/0402/sys/src/9/power/devhotrod.c:395,401
1991/0306		* use supplied buffer, no need to lock for reply
1991/0212		*/
1991/0306		mp = &((User*)(u->p->upage->pa|KZERO))->khot;
1991/0402		mp->wtype = ((char*)buf)[0];
1991/0306		if(mp->abort) /* use reserved flush msg */ mp = &((User*)(u->p->upage->pa|KZERO))->fhot;
1991/0212		qlock(hp);
1991/0401/sys/src/9/power/devhotrod.c:397,402 – 1991/0402/sys/src/9/power/devhotrod.c:410,416
1991/0306		* use hotrod buffer. lock the buffer until the reply
1991/0212		*/
1991/0306		mp = &((User*)(u->p->upage->pa|KZERO))->uhot;
1991/0402		mp->wtype = ((char*)buf)[0];
1991/0212		qlock(&hp->buflock); qlock(hp);
1991/0318		memmove(hp->buf, buf, n);