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()
56 		return list_entry(resource->entry, struct vme_slave_resource,  in find_bridge()
59 		return list_entry(resource->entry, struct vme_dma_resource,  in find_bridge()
62 		return list_entry(resource->entry, struct vme_lm_resource,  in find_bridge()
65 		printk(KERN_ERR "Unknown resource type\n");  in find_bridge()
72  * @resource: Pointer to VME resource.
81 void *vme_alloc_consistent(struct vme_resource *resource, size_t size,  in vme_alloc_consistent()  argument
86 	if (!resource) {  in vme_alloc_consistent()
87 		printk(KERN_ERR "No resource\n");  in vme_alloc_consistent()
91 	bridge = find_bridge(resource);  in vme_alloc_consistent()
114  * @resource: Pointer to VME resource.
121 void vme_free_consistent(struct vme_resource *resource, size_t size,  in vme_free_consistent()  argument
126 	if (!resource) {  in vme_free_consistent()
127 		printk(KERN_ERR "No resource\n");  in vme_free_consistent()
131 	bridge = find_bridge(resource);  in vme_free_consistent()
154  * @resource: Pointer to VME slave or master resource.
158  * depending on the type of window resource handed to it.
162 size_t vme_get_size(struct vme_resource *resource)  in vme_get_size()  argument
169 	switch (resource->type) {  in vme_get_size()
171 		retval = vme_master_get(resource, &enabled, &base, &size,  in vme_get_size()
178 		retval = vme_slave_get(resource, &enabled, &base, &size,  in vme_get_size()
187 		printk(KERN_ERR "Unknown resource type\n");  in vme_get_size()
271  * vme_slave_request - Request a VME slave window resource.
276  * Request use of a VME window resource capable of being set for the requested
279  * Return: Pointer to VME resource on success, NULL on failure.
288 	struct vme_resource *resource = NULL;  in vme_slave_request()  local
302 			printk(KERN_ERR "Registered NULL Slave resource\n");  in vme_slave_request()
324 	resource = kmalloc(sizeof(*resource), GFP_KERNEL);  in vme_slave_request()
325 	if (!resource)  in vme_slave_request()
328 	resource->type = VME_SLAVE;  in vme_slave_request()
329 	resource->entry = &allocated_image->list;  in vme_slave_request()
331 	return resource;  in vme_slave_request()
346  * @resource: Pointer to VME slave resource.
357  *         device, if an invalid resource has been provided or invalid
361 int vme_slave_set(struct vme_resource *resource, int enabled,  in vme_slave_set()  argument
365 	struct vme_bridge *bridge = find_bridge(resource);  in vme_slave_set()
369 	if (resource->type != VME_SLAVE) {  in vme_slave_set()
370 		printk(KERN_ERR "Not a slave resource\n");  in vme_slave_set()
374 	image = list_entry(resource->entry, struct vme_slave_resource, list);  in vme_slave_set()
398  * @resource: Pointer to VME slave resource.
409  *         device or if an invalid resource has been provided.
411 int vme_slave_get(struct vme_resource *resource, int *enabled,  in vme_slave_get()  argument
415 	struct vme_bridge *bridge = find_bridge(resource);  in vme_slave_get()
418 	if (resource->type != VME_SLAVE) {  in vme_slave_get()
419 		printk(KERN_ERR "Not a slave resource\n");  in vme_slave_get()
423 	image = list_entry(resource->entry, struct vme_slave_resource, list);  in vme_slave_get()
437  * @resource: Pointer to VME slave resource.
439  * Free the provided slave resource so that it may be reallocated.
441 void vme_slave_free(struct vme_resource *resource)  in vme_slave_free()  argument
445 	if (resource->type != VME_SLAVE) {  in vme_slave_free()
446 		printk(KERN_ERR "Not a slave resource\n");  in vme_slave_free()
450 	slave_image = list_entry(resource->entry, struct vme_slave_resource,  in vme_slave_free()
453 		printk(KERN_ERR "Can't find slave resource\n");  in vme_slave_free()
465 	/* Free up resource memory */  in vme_slave_free()
466 	kfree(resource);  in vme_slave_free()
471  * vme_master_request - Request a VME master window resource.
477  * Request use of a VME window resource capable of being set for the requested
480  * Return: Pointer to VME resource on success, NULL on failure.
489 	struct vme_resource *resource = NULL;  in vme_master_request()  local
503 			printk(KERN_WARNING "Registered NULL master resource\n");  in vme_master_request()
522 	/* Check to see if we found a resource */  in vme_master_request()
524 		printk(KERN_ERR "Can't find a suitable resource\n");  in vme_master_request()
528 	resource = kmalloc(sizeof(*resource), GFP_KERNEL);  in vme_master_request()
529 	if (!resource)  in vme_master_request()
532 	resource->type = VME_MASTER;  in vme_master_request()
533 	resource->entry = &allocated_image->list;  in vme_master_request()
535 	return resource;  in vme_master_request()
550  * @resource: Pointer to VME master resource.
561  *         device, if an invalid resource has been provided or invalid
565 int vme_master_set(struct vme_resource *resource, int enabled,  in vme_master_set()  argument
569 	struct vme_bridge *bridge = find_bridge(resource);  in vme_master_set()
573 	if (resource->type != VME_MASTER) {  in vme_master_set()
574 		printk(KERN_ERR "Not a master resource\n");  in vme_master_set()
578 	image = list_entry(resource->entry, struct vme_master_resource, list);  in vme_master_set()
603  * @resource: Pointer to VME master resource.
614  *         device or if an invalid resource has been provided.
616 int vme_master_get(struct vme_resource *resource, int *enabled,  in vme_master_get()  argument
620 	struct vme_bridge *bridge = find_bridge(resource);  in vme_master_get()
623 	if (resource->type != VME_MASTER) {  in vme_master_get()
624 		printk(KERN_ERR "Not a master resource\n");  in vme_master_get()
628 	image = list_entry(resource->entry, struct vme_master_resource, list);  in vme_master_get()
642  * @resource: Pointer to VME master resource.
650  * Return: Number of bytes read, -EINVAL if resource is not a VME master
651  *         resource or read operation is not supported. -EFAULT returned if
655 ssize_t vme_master_read(struct vme_resource *resource, void *buf, size_t count,  in vme_master_read()  argument
658 	struct vme_bridge *bridge = find_bridge(resource);  in vme_master_read()
663 		printk(KERN_WARNING "Reading from resource not supported\n");  in vme_master_read()
667 	if (resource->type != VME_MASTER) {  in vme_master_read()
668 		printk(KERN_ERR "Not a master resource\n");  in vme_master_read()
672 	image = list_entry(resource->entry, struct vme_master_resource, list);  in vme_master_read()
674 	length = vme_get_size(resource);  in vme_master_read()
691  * @resource: Pointer to VME master resource.
699  * Return: Number of bytes written, -EINVAL if resource is not a VME master
700  *         resource or write operation is not supported. -EFAULT returned if
704 ssize_t vme_master_write(struct vme_resource *resource, void *buf,  in vme_master_write()  argument
707 	struct vme_bridge *bridge = find_bridge(resource);  in vme_master_write()
712 		printk(KERN_WARNING "Writing to resource not supported\n");  in vme_master_write()
716 	if (resource->type != VME_MASTER) {  in vme_master_write()
717 		printk(KERN_ERR "Not a master resource\n");  in vme_master_write()
721 	image = list_entry(resource->entry, struct vme_master_resource, list);  in vme_master_write()
723 	length = vme_get_size(resource);  in vme_master_write()
739  * @resource: Pointer to VME master resource.
752  * Return: Bytes written on success, -EINVAL if resource is not a VME master
753  *         resource or RMW operation is not supported. Hardware specific
756 unsigned int vme_master_rmw(struct vme_resource *resource, unsigned int mask,  in vme_master_rmw()  argument
759 	struct vme_bridge *bridge = find_bridge(resource);  in vme_master_rmw()
763 		printk(KERN_WARNING "Writing to resource not supported\n");  in vme_master_rmw()
767 	if (resource->type != VME_MASTER) {  in vme_master_rmw()
768 		printk(KERN_ERR "Not a master resource\n");  in vme_master_rmw()
772 	image = list_entry(resource->entry, struct vme_master_resource, list);  in vme_master_rmw()
780  * @resource: Pointer to VME master resource.
785  * Return: Zero on success, -EINVAL if resource is not a VME master
786  *         resource or -EFAULT if map exceeds window size. Other generic mmap
789 int vme_master_mmap(struct vme_resource *resource, struct vm_area_struct *vma)  in vme_master_mmap()  argument
795 	if (resource->type != VME_MASTER) {  in vme_master_mmap()
796 		pr_err("Not a master resource\n");  in vme_master_mmap()
800 	image = list_entry(resource->entry, struct vme_master_resource, list);  in vme_master_mmap()
817  * @resource: Pointer to VME master resource.
819  * Free the provided master resource so that it may be reallocated.
821 void vme_master_free(struct vme_resource *resource)  in vme_master_free()  argument
825 	if (resource->type != VME_MASTER) {  in vme_master_free()
826 		printk(KERN_ERR "Not a master resource\n");  in vme_master_free()
830 	master_image = list_entry(resource->entry, struct vme_master_resource,  in vme_master_free()
833 		printk(KERN_ERR "Can't find master resource\n");  in vme_master_free()
845 	/* Free up resource memory */  in vme_master_free()
846 	kfree(resource);  in vme_master_free()
858  * Return: Pointer to VME DMA resource on success, NULL on failure.
866 	struct vme_resource *resource = NULL;  in vme_dma_request()  local
868 	/* XXX Not checking resource attributes */  in vme_dma_request()
869 	printk(KERN_ERR "No VME resource Attribute tests done\n");  in vme_dma_request()
882 			printk(KERN_ERR "Registered NULL DMA resource\n");  in vme_dma_request()
899 	/* Check to see if we found a resource */  in vme_dma_request()
903 	resource = kmalloc(sizeof(*resource), GFP_KERNEL);  in vme_dma_request()
904 	if (!resource)  in vme_dma_request()
907 	resource->type = VME_DMA;  in vme_dma_request()
908 	resource->entry = &allocated_ctrlr->list;  in vme_dma_request()
910 	return resource;  in vme_dma_request()
925  * @resource: Pointer to VME DMA resource.
931  *         VME DMA resource.
933 struct vme_dma_list *vme_new_dma_list(struct vme_resource *resource)  in vme_new_dma_list()  argument
937 	if (resource->type != VME_DMA) {  in vme_new_dma_list()
938 		printk(KERN_ERR "Not a DMA resource\n");  in vme_new_dma_list()
947 	dma_list->parent = list_entry(resource->entry,  in vme_new_dma_list()
1169  * Return: Zero on success, -EINVAL on invalid VME resource, -EBUSY if resource
1205  * vme_dma_free - Free a VME DMA resource.
1206  * @resource: Pointer to VME DMA resource.
1208  * Free the provided DMA resource so that it may be reallocated.
1210  * Return: Zero on success, -EINVAL on invalid VME resource, -EBUSY if resource
1213 int vme_dma_free(struct vme_resource *resource)  in vme_dma_free()  argument
1217 	if (resource->type != VME_DMA) {  in vme_dma_free()
1218 		printk(KERN_ERR "Not a DMA resource\n");  in vme_dma_free()
1222 	ctrlr = list_entry(resource->entry, struct vme_dma_resource, list);  in vme_dma_free()
1225 		printk(KERN_ERR "Resource busy, can't free\n");  in vme_dma_free()
1230 		printk(KERN_WARNING "Resource still processing transfers\n");  in vme_dma_free()
1239 	kfree(resource);  in vme_dma_free()
1459  * Allocate a location monitor resource to the driver. A location monitor
1463  * Return: Pointer to a VME resource on success or NULL on failure.
1471 	struct vme_resource *resource = NULL;  in vme_lm_request()  local
1484 			printk(KERN_ERR "Registered NULL Location Monitor resource\n");  in vme_lm_request()
1499 	/* Check to see if we found a resource */  in vme_lm_request()
1503 	resource = kmalloc(sizeof(*resource), GFP_KERNEL);  in vme_lm_request()
1504 	if (!resource)  in vme_lm_request()
1507 	resource->type = VME_LM;  in vme_lm_request()
1508 	resource->entry = &allocated_lm->list;  in vme_lm_request()
1510 	return resource;  in vme_lm_request()
1525  * @resource: Pointer to VME location monitor resource.
1532  *	   invalid location monitor resource.
1534 int vme_lm_count(struct vme_resource *resource)  in vme_lm_count()  argument
1538 	if (resource->type != VME_LM) {  in vme_lm_count()
1539 		printk(KERN_ERR "Not a Location Monitor resource\n");  in vme_lm_count()
1543 	lm = list_entry(resource->entry, struct vme_lm_resource, list);  in vme_lm_count()
1551  * @resource: Pointer to VME location monitor resource.
1560  *	   monitor resource or function is not supported. Hardware specific
1563 int vme_lm_set(struct vme_resource *resource, unsigned long long lm_base,  in vme_lm_set()  argument
1566 	struct vme_bridge *bridge = find_bridge(resource);  in vme_lm_set()
1569 	if (resource->type != VME_LM) {  in vme_lm_set()
1570 		printk(KERN_ERR "Not a Location Monitor resource\n");  in vme_lm_set()
1574 	lm = list_entry(resource->entry, struct vme_lm_resource, list);  in vme_lm_set()
1587  * @resource: Pointer to VME location monitor resource.
1596  *	   monitor resource or function is not supported. Hardware specific
1599 int vme_lm_get(struct vme_resource *resource, unsigned long long *lm_base,  in vme_lm_get()  argument
1602 	struct vme_bridge *bridge = find_bridge(resource);  in vme_lm_get()
1605 	if (resource->type != VME_LM) {  in vme_lm_get()
1606 		printk(KERN_ERR "Not a Location Monitor resource\n");  in vme_lm_get()
1610 	lm = list_entry(resource->entry, struct vme_lm_resource, list);  in vme_lm_get()
1623  * @resource: Pointer to VME location monitor resource.
1633  *	   monitor resource or function is not supported. Hardware specific
1636 int vme_lm_attach(struct vme_resource *resource, int monitor,  in vme_lm_attach()  argument
1639 	struct vme_bridge *bridge = find_bridge(resource);  in vme_lm_attach()
1642 	if (resource->type != VME_LM) {  in vme_lm_attach()
1643 		printk(KERN_ERR "Not a Location Monitor resource\n");  in vme_lm_attach()
1647 	lm = list_entry(resource->entry, struct vme_lm_resource, list);  in vme_lm_attach()
1660  * @resource: Pointer to VME location monitor resource.
1667  *	   monitor resource or function is not supported. Hardware specific
1670 int vme_lm_detach(struct vme_resource *resource, int monitor)  in vme_lm_detach()  argument
1672 	struct vme_bridge *bridge = find_bridge(resource);  in vme_lm_detach()
1675 	if (resource->type != VME_LM) {  in vme_lm_detach()
1676 		printk(KERN_ERR "Not a Location Monitor resource\n");  in vme_lm_detach()
1680 	lm = list_entry(resource->entry, struct vme_lm_resource, list);  in vme_lm_detach()
1693  * @resource: Pointer to VME location monitor resource.
1701  *	   monitor resource.
1703 void vme_lm_free(struct vme_resource *resource)  in vme_lm_free()  argument
1707 	if (resource->type != VME_LM) {  in vme_lm_free()
1708 		printk(KERN_ERR "Not a Location Monitor resource\n");  in vme_lm_free()
1712 	lm = list_entry(resource->entry, struct vme_lm_resource, list);  in vme_lm_free()
1725 	kfree(resource);  in vme_lm_free()