46  * Find the bridge that the resource is associated with.
48 static struct vme_bridge *find_bridge(struct vme_resource *resource)  in find_bridge()  argument
51 	switch (resource->type) {  in find_bridge()
53 		return list_entry(resource->entry, struct vme_master_resource,  in find_bridge()
57 		return list_entry(resource->entry, struct vme_slave_resource,  in find_bridge()
61 		return list_entry(resource->entry, struct vme_dma_resource,  in find_bridge()
65 		return list_entry(resource->entry, struct vme_lm_resource,  in find_bridge()
69 		printk(KERN_ERR "Unknown resource type\n");  in find_bridge()
77  * @resource: Pointer to VME resource.
86 void *vme_alloc_consistent(struct vme_resource *resource, size_t size,  in vme_alloc_consistent()  argument
91 	if (!resource) {  in vme_alloc_consistent()
92 		printk(KERN_ERR "No resource\n");  in vme_alloc_consistent()
96 	bridge = find_bridge(resource);  in vme_alloc_consistent()
119  * @resource: Pointer to VME resource.
126 void vme_free_consistent(struct vme_resource *resource, size_t size,  in vme_free_consistent()  argument
131 	if (!resource) {  in vme_free_consistent()
132 		printk(KERN_ERR "No resource\n");  in vme_free_consistent()
136 	bridge = find_bridge(resource);  in vme_free_consistent()
159  * @resource: Pointer to VME slave or master resource.
163  * depending on the type of window resource handed to it.
167 size_t vme_get_size(struct vme_resource *resource)  in vme_get_size()  argument
174 	switch (resource->type) {  in vme_get_size()
176 		retval = vme_master_get(resource, &enabled, &base, &size,  in vme_get_size()
184 		retval = vme_slave_get(resource, &enabled, &base, &size,  in vme_get_size()
195 		printk(KERN_ERR "Unknown resource type\n");  in vme_get_size()
280  * vme_slave_request - Request a VME slave window resource.
285  * Request use of a VME window resource capable of being set for the requested
288  * Return: Pointer to VME resource on success, NULL on failure.
297 	struct vme_resource *resource = NULL;  in vme_slave_request()  local
311 			printk(KERN_ERR "Registered NULL Slave resource\n");  in vme_slave_request()
333 	resource = kmalloc(sizeof(*resource), GFP_KERNEL);  in vme_slave_request()
334 	if (!resource)  in vme_slave_request()
337 	resource->type = VME_SLAVE;  in vme_slave_request()
338 	resource->entry = &allocated_image->list;  in vme_slave_request()
340 	return resource;  in vme_slave_request()
355  * @resource: Pointer to VME slave resource.
366  *         device, if an invalid resource has been provided or invalid
370 int vme_slave_set(struct vme_resource *resource, int enabled,  in vme_slave_set()  argument
374 	struct vme_bridge *bridge = find_bridge(resource);  in vme_slave_set()
378 	if (resource->type != VME_SLAVE) {  in vme_slave_set()
379 		printk(KERN_ERR "Not a slave resource\n");  in vme_slave_set()
383 	image = list_entry(resource->entry, struct vme_slave_resource, list);  in vme_slave_set()
407  * @resource: Pointer to VME slave resource.
418  *         device or if an invalid resource has been provided.
420 int vme_slave_get(struct vme_resource *resource, int *enabled,  in vme_slave_get()  argument
424 	struct vme_bridge *bridge = find_bridge(resource);  in vme_slave_get()
427 	if (resource->type != VME_SLAVE) {  in vme_slave_get()
428 		printk(KERN_ERR "Not a slave resource\n");  in vme_slave_get()
432 	image = list_entry(resource->entry, struct vme_slave_resource, list);  in vme_slave_get()
446  * @resource: Pointer to VME slave resource.
448  * Free the provided slave resource so that it may be reallocated.
450 void vme_slave_free(struct vme_resource *resource)  in vme_slave_free()  argument
454 	if (resource->type != VME_SLAVE) {  in vme_slave_free()
455 		printk(KERN_ERR "Not a slave resource\n");  in vme_slave_free()
459 	slave_image = list_entry(resource->entry, struct vme_slave_resource,  in vme_slave_free()
462 		printk(KERN_ERR "Can't find slave resource\n");  in vme_slave_free()
474 	/* Free up resource memory */  in vme_slave_free()
475 	kfree(resource);  in vme_slave_free()
480  * vme_master_request - Request a VME master window resource.
486  * Request use of a VME window resource capable of being set for the requested
489  * Return: Pointer to VME resource on success, NULL on failure.
498 	struct vme_resource *resource = NULL;  in vme_master_request()  local
512 			printk(KERN_WARNING "Registered NULL master resource\n");  in vme_master_request()
531 	/* Check to see if we found a resource */  in vme_master_request()
533 		printk(KERN_ERR "Can't find a suitable resource\n");  in vme_master_request()
537 	resource = kmalloc(sizeof(*resource), GFP_KERNEL);  in vme_master_request()
538 	if (!resource)  in vme_master_request()
541 	resource->type = VME_MASTER;  in vme_master_request()
542 	resource->entry = &allocated_image->list;  in vme_master_request()
544 	return resource;  in vme_master_request()
559  * @resource: Pointer to VME master resource.
570  *         device, if an invalid resource has been provided or invalid
574 int vme_master_set(struct vme_resource *resource, int enabled,  in vme_master_set()  argument
578 	struct vme_bridge *bridge = find_bridge(resource);  in vme_master_set()
582 	if (resource->type != VME_MASTER) {  in vme_master_set()
583 		printk(KERN_ERR "Not a master resource\n");  in vme_master_set()
587 	image = list_entry(resource->entry, struct vme_master_resource, list);  in vme_master_set()
612  * @resource: Pointer to VME master resource.
623  *         device or if an invalid resource has been provided.
625 int vme_master_get(struct vme_resource *resource, int *enabled,  in vme_master_get()  argument
629 	struct vme_bridge *bridge = find_bridge(resource);  in vme_master_get()
632 	if (resource->type != VME_MASTER) {  in vme_master_get()
633 		printk(KERN_ERR "Not a master resource\n");  in vme_master_get()
637 	image = list_entry(resource->entry, struct vme_master_resource, list);  in vme_master_get()
651  * @resource: Pointer to VME master resource.
659  * Return: Number of bytes read, -EINVAL if resource is not a VME master
660  *         resource or read operation is not supported. -EFAULT returned if
664 ssize_t vme_master_read(struct vme_resource *resource, void *buf, size_t count,  in vme_master_read()  argument
667 	struct vme_bridge *bridge = find_bridge(resource);  in vme_master_read()
672 		printk(KERN_WARNING "Reading from resource not supported\n");  in vme_master_read()
676 	if (resource->type != VME_MASTER) {  in vme_master_read()
677 		printk(KERN_ERR "Not a master resource\n");  in vme_master_read()
681 	image = list_entry(resource->entry, struct vme_master_resource, list);  in vme_master_read()
683 	length = vme_get_size(resource);  in vme_master_read()
700  * @resource: Pointer to VME master resource.
708  * Return: Number of bytes written, -EINVAL if resource is not a VME master
709  *         resource or write operation is not supported. -EFAULT returned if
713 ssize_t vme_master_write(struct vme_resource *resource, void *buf,  in vme_master_write()  argument
716 	struct vme_bridge *bridge = find_bridge(resource);  in vme_master_write()
721 		printk(KERN_WARNING "Writing to resource not supported\n");  in vme_master_write()
725 	if (resource->type != VME_MASTER) {  in vme_master_write()
726 		printk(KERN_ERR "Not a master resource\n");  in vme_master_write()
730 	image = list_entry(resource->entry, struct vme_master_resource, list);  in vme_master_write()
732 	length = vme_get_size(resource);  in vme_master_write()
748  * @resource: Pointer to VME master resource.
761  * Return: Bytes written on success, -EINVAL if resource is not a VME master
762  *         resource or RMW operation is not supported. Hardware specific
765 unsigned int vme_master_rmw(struct vme_resource *resource, unsigned int mask,  in vme_master_rmw()  argument
768 	struct vme_bridge *bridge = find_bridge(resource);  in vme_master_rmw()
772 		printk(KERN_WARNING "Writing to resource not supported\n");  in vme_master_rmw()
776 	if (resource->type != VME_MASTER) {  in vme_master_rmw()
777 		printk(KERN_ERR "Not a master resource\n");  in vme_master_rmw()
781 	image = list_entry(resource->entry, struct vme_master_resource, list);  in vme_master_rmw()
789  * @resource: Pointer to VME master resource.
794  * Return: Zero on success, -EINVAL if resource is not a VME master
795  *         resource or -EFAULT if map exceeds window size. Other generic mmap
798 int vme_master_mmap(struct vme_resource *resource, struct vm_area_struct *vma)  in vme_master_mmap()  argument
804 	if (resource->type != VME_MASTER) {  in vme_master_mmap()
805 		pr_err("Not a master resource\n");  in vme_master_mmap()
809 	image = list_entry(resource->entry, struct vme_master_resource, list);  in vme_master_mmap()
826  * @resource: Pointer to VME master resource.
828  * Free the provided master resource so that it may be reallocated.
830 void vme_master_free(struct vme_resource *resource)  in vme_master_free()  argument
834 	if (resource->type != VME_MASTER) {  in vme_master_free()
835 		printk(KERN_ERR "Not a master resource\n");  in vme_master_free()
839 	master_image = list_entry(resource->entry, struct vme_master_resource,  in vme_master_free()
842 		printk(KERN_ERR "Can't find master resource\n");  in vme_master_free()
854 	/* Free up resource memory */  in vme_master_free()
855 	kfree(resource);  in vme_master_free()
867  * Return: Pointer to VME DMA resource on success, NULL on failure.
875 	struct vme_resource *resource = NULL;  in vme_dma_request()  local
877 	/* XXX Not checking resource attributes */  in vme_dma_request()
878 	printk(KERN_ERR "No VME resource Attribute tests done\n");  in vme_dma_request()
891 			printk(KERN_ERR "Registered NULL DMA resource\n");  in vme_dma_request()
908 	/* Check to see if we found a resource */  in vme_dma_request()
912 	resource = kmalloc(sizeof(*resource), GFP_KERNEL);  in vme_dma_request()
913 	if (!resource)  in vme_dma_request()
916 	resource->type = VME_DMA;  in vme_dma_request()
917 	resource->entry = &allocated_ctrlr->list;  in vme_dma_request()
919 	return resource;  in vme_dma_request()
934  * @resource: Pointer to VME DMA resource.
940  *         VME DMA resource.
942 struct vme_dma_list *vme_new_dma_list(struct vme_resource *resource)  in vme_new_dma_list()  argument
946 	if (resource->type != VME_DMA) {  in vme_new_dma_list()
947 		printk(KERN_ERR "Not a DMA resource\n");  in vme_new_dma_list()
956 	dma_list->parent = list_entry(resource->entry,  in vme_new_dma_list()
1178  * Return: Zero on success, -EINVAL on invalid VME resource, -EBUSY if resource
1214  * vme_dma_free - Free a VME DMA resource.
1215  * @resource: Pointer to VME DMA resource.
1217  * Free the provided DMA resource so that it may be reallocated.
1219  * Return: Zero on success, -EINVAL on invalid VME resource, -EBUSY if resource
1222 int vme_dma_free(struct vme_resource *resource)  in vme_dma_free()  argument
1226 	if (resource->type != VME_DMA) {  in vme_dma_free()
1227 		printk(KERN_ERR "Not a DMA resource\n");  in vme_dma_free()
1231 	ctrlr = list_entry(resource->entry, struct vme_dma_resource, list);  in vme_dma_free()
1234 		printk(KERN_ERR "Resource busy, can't free\n");  in vme_dma_free()
1239 		printk(KERN_WARNING "Resource still processing transfers\n");  in vme_dma_free()
1248 	kfree(resource);  in vme_dma_free()
1468  * Allocate a location monitor resource to the driver. A location monitor
1472  * Return: Pointer to a VME resource on success or NULL on failure.
1480 	struct vme_resource *resource = NULL;  in vme_lm_request()  local
1493 			printk(KERN_ERR "Registered NULL Location Monitor resource\n");  in vme_lm_request()
1508 	/* Check to see if we found a resource */  in vme_lm_request()
1512 	resource = kmalloc(sizeof(*resource), GFP_KERNEL);  in vme_lm_request()
1513 	if (!resource)  in vme_lm_request()
1516 	resource->type = VME_LM;  in vme_lm_request()
1517 	resource->entry = &allocated_lm->list;  in vme_lm_request()
1519 	return resource;  in vme_lm_request()
1534  * @resource: Pointer to VME location monitor resource.
1541  *	   invalid location monitor resource.
1543 int vme_lm_count(struct vme_resource *resource)  in vme_lm_count()  argument
1547 	if (resource->type != VME_LM) {  in vme_lm_count()
1548 		printk(KERN_ERR "Not a Location Monitor resource\n");  in vme_lm_count()
1552 	lm = list_entry(resource->entry, struct vme_lm_resource, list);  in vme_lm_count()
1560  * @resource: Pointer to VME location monitor resource.
1569  *	   monitor resource or function is not supported. Hardware specific
1572 int vme_lm_set(struct vme_resource *resource, unsigned long long lm_base,  in vme_lm_set()  argument
1575 	struct vme_bridge *bridge = find_bridge(resource);  in vme_lm_set()
1578 	if (resource->type != VME_LM) {  in vme_lm_set()
1579 		printk(KERN_ERR "Not a Location Monitor resource\n");  in vme_lm_set()
1583 	lm = list_entry(resource->entry, struct vme_lm_resource, list);  in vme_lm_set()
1596  * @resource: Pointer to VME location monitor resource.
1605  *	   monitor resource or function is not supported. Hardware specific
1608 int vme_lm_get(struct vme_resource *resource, unsigned long long *lm_base,  in vme_lm_get()  argument
1611 	struct vme_bridge *bridge = find_bridge(resource);  in vme_lm_get()
1614 	if (resource->type != VME_LM) {  in vme_lm_get()
1615 		printk(KERN_ERR "Not a Location Monitor resource\n");  in vme_lm_get()
1619 	lm = list_entry(resource->entry, struct vme_lm_resource, list);  in vme_lm_get()
1632  * @resource: Pointer to VME location monitor resource.
1642  *	   monitor resource or function is not supported. Hardware specific
1645 int vme_lm_attach(struct vme_resource *resource, int monitor,  in vme_lm_attach()  argument
1648 	struct vme_bridge *bridge = find_bridge(resource);  in vme_lm_attach()
1651 	if (resource->type != VME_LM) {  in vme_lm_attach()
1652 		printk(KERN_ERR "Not a Location Monitor resource\n");  in vme_lm_attach()
1656 	lm = list_entry(resource->entry, struct vme_lm_resource, list);  in vme_lm_attach()
1669  * @resource: Pointer to VME location monitor resource.
1676  *	   monitor resource or function is not supported. Hardware specific
1679 int vme_lm_detach(struct vme_resource *resource, int monitor)  in vme_lm_detach()  argument
1681 	struct vme_bridge *bridge = find_bridge(resource);  in vme_lm_detach()
1684 	if (resource->type != VME_LM) {  in vme_lm_detach()
1685 		printk(KERN_ERR "Not a Location Monitor resource\n");  in vme_lm_detach()
1689 	lm = list_entry(resource->entry, struct vme_lm_resource, list);  in vme_lm_detach()
1702  * @resource: Pointer to VME location monitor resource.
1710  *	   monitor resource.
1712 void vme_lm_free(struct vme_resource *resource)  in vme_lm_free()  argument
1716 	if (resource->type != VME_LM) {  in vme_lm_free()
1717 		printk(KERN_ERR "Not a Location Monitor resource\n");  in vme_lm_free()
1721 	lm = list_entry(resource->entry, struct vme_lm_resource, list);  in vme_lm_free()
1734 	kfree(resource);  in vme_lm_free()