87 int ipath_diag_add(struct ipath_devdata *dd)  in ipath_diag_add()  argument
98 			ipath_dev_err(dd, "Couldn't create ipath_diagpkt "  in ipath_diag_add()
104 	snprintf(name, sizeof(name), "ipath_diag%d", dd->ipath_unit);  in ipath_diag_add()
106 	ret = ipath_cdev_init(IPATH_DIAG_MINOR_BASE + dd->ipath_unit, name,  in ipath_diag_add()
107 			      &diag_file_ops, &dd->diag_cdev,  in ipath_diag_add()
108 			      &dd->diag_dev);  in ipath_diag_add()
110 		ipath_dev_err(dd, "Couldn't create %s device: %d",  in ipath_diag_add()
117 void ipath_diag_remove(struct ipath_devdata *dd)  in ipath_diag_remove()  argument
122 	ipath_cdev_cleanup(&dd->diag_cdev, &dd->diag_dev);  in ipath_diag_remove()
138 static int ipath_read_umem64(struct ipath_devdata *dd, void __user *uaddr,  in ipath_read_umem64()  argument
146 	if (reg_addr < dd->ipath_kregbase || reg_end > dd->ipath_kregend) {  in ipath_read_umem64()
175 static int ipath_write_umem64(struct ipath_devdata *dd, void __iomem *caddr,  in ipath_write_umem64()  argument
183 	if (reg_addr < dd->ipath_kregbase || reg_end > dd->ipath_kregend) {  in ipath_write_umem64()
213 static int ipath_read_umem32(struct ipath_devdata *dd, void __user *uaddr,  in ipath_read_umem32()  argument
220 	if (reg_addr < (u32 __iomem *) dd->ipath_kregbase ||  in ipath_read_umem32()
221 	    reg_end > (u32 __iomem *) dd->ipath_kregend) {  in ipath_read_umem32()
253 static int ipath_write_umem32(struct ipath_devdata *dd, void __iomem *caddr,  in ipath_write_umem32()  argument
260 	if (reg_addr < (u32 __iomem *) dd->ipath_kregbase ||  in ipath_write_umem32()
261 	    reg_end > (u32 __iomem *) dd->ipath_kregend) {  in ipath_write_umem32()
284 	struct ipath_devdata *dd;  in ipath_diag_open()  local
294 	dd = ipath_lookup(unit);  in ipath_diag_open()
296 	if (dd == NULL || !(dd->ipath_flags & IPATH_PRESENT) ||  in ipath_diag_open()
297 	    !dd->ipath_kregbase) {  in ipath_diag_open()
302 	fp->private_data = dd;  in ipath_diag_open()
309 	ipath_expose_reset(&dd->pcidev->dev);  in ipath_diag_open()
333 	struct ipath_devdata *dd;  in ipath_diagpkt_write()  local
366 	dd = ipath_lookup(dp.unit);  in ipath_diagpkt_write()
367 	if (!dd || !(dd->ipath_flags & IPATH_PRESENT) ||  in ipath_diagpkt_write()
368 	    !dd->ipath_kregbase) {  in ipath_diagpkt_write()
376 	    !(dd->ipath_flags & IPATH_LINKACTIVE)) {  in ipath_diagpkt_write()
380 		ipath_set_linkstate(dd, IPATH_IB_LINKARM);  in ipath_diagpkt_write()
381 		ipath_set_linkstate(dd, IPATH_IB_LINKACTIVE);  in ipath_diagpkt_write()
384 	if (!(dd->ipath_flags & IPATH_INITTED)) {  in ipath_diagpkt_write()
386 		ipath_cdbg(VERBOSE, "unit %u not usable\n", dd->ipath_unit);  in ipath_diagpkt_write()
395 	val = ipath_ib_state(dd, dd->ipath_lastibcstat);  in ipath_diagpkt_write()
396 	lt_state = ipath_ib_linktrstate(dd, dd->ipath_lastibcstat);  in ipath_diagpkt_write()
397 	l_state = ipath_ib_linkstate(dd, dd->ipath_lastibcstat);  in ipath_diagpkt_write()
399 	    (val != dd->ib_init && val != dd->ib_arm &&  in ipath_diagpkt_write()
400 	    val != dd->ib_active))) {  in ipath_diagpkt_write()
402 			   dd->ipath_unit, (unsigned long long) val);  in ipath_diagpkt_write()
414 	if (dp.len > dd->ipath_ibmaxlen - maxlen_reserve) {  in ipath_diagpkt_write()
416 			  dp.len, dd->ipath_ibmaxlen);  in ipath_diagpkt_write()
425 		dev_info(&dd->pcidev->dev, "Unable to allocate tmp buffer, "  in ipath_diagpkt_write()
440 	piobuf = ipath_getpiobuf(dd, plen, &pbufn);  in ipath_diagpkt_write()
443 			   dd->ipath_unit);  in ipath_diagpkt_write()
448 	ipath_disarm_piobufs(dd, pbufn, 1);  in ipath_diagpkt_write()
452 			   dd->ipath_unit, plen - 1, pbufn);  in ipath_diagpkt_write()
462 	if (dd->ipath_flags & IPATH_PIO_FLUSH_WC) {  in ipath_diagpkt_write()
491 	struct ipath_devdata *dd = fp->private_data;  in ipath_diag_read()  local
495 	kreg_base = dd->ipath_kregbase;  in ipath_diag_read()
506 		ret = ipath_read_umem32(dd, data, kreg_base + *off, count);  in ipath_diag_read()
508 		ret = ipath_read_umem64(dd, data, kreg_base + *off, count);  in ipath_diag_read()
523 	struct ipath_devdata *dd = fp->private_data;  in ipath_diag_write()  local
527 	kreg_base = dd->ipath_kregbase;  in ipath_diag_write()
539 		ret = ipath_write_umem32(dd, kreg_base + *off, data, count);  in ipath_diag_write()
541 		ret = ipath_write_umem64(dd, kreg_base + *off, data, count);  in ipath_diag_write()