243 query_segment_type (struct dcss_segment *seg)  in query_segment_type()  argument
261 	memcpy (qin->qname, seg->dcss_name, 8);  in query_segment_type()
306 		seg->vm_segtype = qout->range[0].start & 0xff;  in query_segment_type()
325 		seg->vm_segtype = SEG_TYPE_EWEN;  in query_segment_type()
329 	seg->start_addr = qout->segstart;  in query_segment_type()
330 	seg->end = qout->segend;  in query_segment_type()
332 	memcpy (seg->range, qout->range, 6*sizeof(struct qrange));  in query_segment_type()
333 	seg->segcnt = qout->segcnt;  in query_segment_type()
357 	struct dcss_segment seg;  in segment_type()  local
362 	dcss_mkname(name, seg.dcss_name);  in segment_type()
363 	rc = query_segment_type (&seg);  in segment_type()
366 	return seg.vm_segtype;  in segment_type()
374 segment_overlaps_others (struct dcss_segment *seg)  in segment_overlaps_others()  argument
382 		if ((tmp->start_addr >> 20) > (seg->end >> 20))  in segment_overlaps_others()
384 		if ((tmp->end >> 20) < (seg->start_addr >> 20))  in segment_overlaps_others()
386 		if (seg == tmp)  in segment_overlaps_others()
400 	struct dcss_segment *seg;  in __segment_load()  local
404 	seg = kmalloc(sizeof(*seg), GFP_KERNEL | GFP_DMA);  in __segment_load()
405 	if (seg == NULL) {  in __segment_load()
409 	dcss_mkname (name, seg->dcss_name);  in __segment_load()
410 	rc = query_segment_type (seg);  in __segment_load()
415 		if (segment_overlaps_others(seg)) {  in __segment_load()
421 	rc = vmem_add_mapping(seg->start_addr, seg->end - seg->start_addr + 1);  in __segment_load()
426 	seg->res = kzalloc(sizeof(struct resource), GFP_KERNEL);  in __segment_load()
427 	if (seg->res == NULL) {  in __segment_load()
431 	seg->res->flags = IORESOURCE_BUSY | IORESOURCE_MEM;  in __segment_load()
432 	seg->res->start = seg->start_addr;  in __segment_load()
433 	seg->res->end = seg->end;  in __segment_load()
434 	memcpy(&seg->res_name, seg->dcss_name, 8);  in __segment_load()
435 	EBCASC(seg->res_name, 8);  in __segment_load()
436 	seg->res_name[8] = '\0';  in __segment_load()
437 	strncat(seg->res_name, " (DCSS)", 7);  in __segment_load()
438 	seg->res->name = seg->res_name;  in __segment_load()
439 	rc = seg->vm_segtype;  in __segment_load()
442 		seg->res->flags |= IORESOURCE_READONLY;  in __segment_load()
443 	if (request_resource(&iomem_resource, seg->res)) {  in __segment_load()
445 		kfree(seg->res);  in __segment_load()
450 		diag_cc = dcss_diag(&loadnsr_scode, seg->dcss_name,  in __segment_load()
453 		diag_cc = dcss_diag(&loadshr_scode, seg->dcss_name,  in __segment_load()
456 		dcss_diag(&purgeseg_scode, seg->dcss_name,  in __segment_load()
465 		dcss_diag(&purgeseg_scode, seg->dcss_name,  in __segment_load()
469 	seg->start_addr = start_addr;  in __segment_load()
470 	seg->end = end_addr;  in __segment_load()
471 	seg->do_nonshared = do_nonshared;  in __segment_load()
472 	atomic_set(&seg->ref_count, 1);  in __segment_load()
473 	list_add(&seg->list, &dcss_list);  in __segment_load()
474 	*addr = seg->start_addr;  in __segment_load()
475 	*end  = seg->end;  in __segment_load()
478 			"exclusive-writable\n", name, (void*) seg->start_addr,  in __segment_load()
479 			(void*) seg->end, segtype_string[seg->vm_segtype]);  in __segment_load()
482 			"shared access mode\n", name, (void*) seg->start_addr,  in __segment_load()
483 			(void*) seg->end, segtype_string[seg->vm_segtype]);  in __segment_load()
487 	release_resource(seg->res);  in __segment_load()
488 	kfree(seg->res);  in __segment_load()
490 	vmem_remove_mapping(seg->start_addr, seg->end - seg->start_addr + 1);  in __segment_load()
492 	kfree(seg);  in __segment_load()
520 	struct dcss_segment *seg;  in segment_load()  local
527 	seg = segment_by_name (name);  in segment_load()
528 	if (seg == NULL)  in segment_load()
531 		if (do_nonshared == seg->do_nonshared) {  in segment_load()
532 			atomic_inc(&seg->ref_count);  in segment_load()
533 			*addr = seg->start_addr;  in segment_load()
534 			*end  = seg->end;  in segment_load()
535 			rc    = seg->vm_segtype;  in segment_load()
561 	struct dcss_segment *seg;  in segment_modify_shared()  local
567 	seg = segment_by_name (name);  in segment_modify_shared()
568 	if (seg == NULL) {  in segment_modify_shared()
572 	if (do_nonshared == seg->do_nonshared) {  in segment_modify_shared()
578 	if (atomic_read (&seg->ref_count) != 1) {  in segment_modify_shared()
584 	release_resource(seg->res);  in segment_modify_shared()
586 		seg->res->flags &= ~IORESOURCE_READONLY;  in segment_modify_shared()
588 		if (seg->vm_segtype == SEG_TYPE_SR ||  in segment_modify_shared()
589 		    seg->vm_segtype == SEG_TYPE_ER)  in segment_modify_shared()
590 			seg->res->flags |= IORESOURCE_READONLY;  in segment_modify_shared()
592 	if (request_resource(&iomem_resource, seg->res)) {  in segment_modify_shared()
596 		kfree(seg->res);  in segment_modify_shared()
600 	dcss_diag(&purgeseg_scode, seg->dcss_name, &dummy, &dummy);  in segment_modify_shared()
602 		diag_cc = dcss_diag(&loadnsr_scode, seg->dcss_name,  in segment_modify_shared()
605 		diag_cc = dcss_diag(&loadshr_scode, seg->dcss_name,  in segment_modify_shared()
617 	seg->start_addr = start_addr;  in segment_modify_shared()
618 	seg->end = end_addr;  in segment_modify_shared()
619 	seg->do_nonshared = do_nonshared;  in segment_modify_shared()
623 	release_resource(seg->res);  in segment_modify_shared()
624 	kfree(seg->res);  in segment_modify_shared()
626 	vmem_remove_mapping(seg->start_addr, seg->end - seg->start_addr + 1);  in segment_modify_shared()
627 	list_del(&seg->list);  in segment_modify_shared()
628 	dcss_diag(&purgeseg_scode, seg->dcss_name, &dummy, &dummy);  in segment_modify_shared()
629 	kfree(seg);  in segment_modify_shared()
644 	struct dcss_segment *seg;  in segment_unload()  local
650 	seg = segment_by_name (name);  in segment_unload()
651 	if (seg == NULL) {  in segment_unload()
655 	if (atomic_dec_return(&seg->ref_count) != 0)  in segment_unload()
657 	release_resource(seg->res);  in segment_unload()
658 	kfree(seg->res);  in segment_unload()
659 	vmem_remove_mapping(seg->start_addr, seg->end - seg->start_addr + 1);  in segment_unload()
660 	list_del(&seg->list);  in segment_unload()
661 	dcss_diag(&purgeseg_scode, seg->dcss_name, &dummy, &dummy);  in segment_unload()
662 	kfree(seg);  in segment_unload()
673 	struct dcss_segment *seg;  in segment_save()  local
682 	seg = segment_by_name (name);  in segment_save()
684 	if (seg == NULL) {  in segment_save()
690 	for (i=0; i<seg->segcnt; i++) {  in segment_save()
692 			seg->range[i].start >> PAGE_SHIFT,  in segment_save()
693 			seg->range[i].end >> PAGE_SHIFT,  in segment_save()
694 			segtype_string[seg->range[i].start & 0xff]);  in segment_save()