50  * Find the bridge that the resource is associated with.
52 static struct vme_bridge *find_bridge(struct vme_resource *resource)  in find_bridge()  argument
55 	switch (resource->type) {  in find_bridge()
57 		return list_entry(resource->entry, struct vme_master_resource,  in find_bridge()
61 		return list_entry(resource->entry, struct vme_slave_resource,  in find_bridge()
65 		return list_entry(resource->entry, struct vme_dma_resource,  in find_bridge()
69 		return list_entry(resource->entry, struct vme_lm_resource,  in find_bridge()
73 		printk(KERN_ERR "Unknown resource type\n");  in find_bridge()
81  * @resource: Pointer to VME resource.
90 void *vme_alloc_consistent(struct vme_resource *resource, size_t size,  in vme_alloc_consistent()  argument
95 	if (!resource) {  in vme_alloc_consistent()
96 		printk(KERN_ERR "No resource\n");  in vme_alloc_consistent()
100 	bridge = find_bridge(resource);  in vme_alloc_consistent()
123  * @resource: Pointer to VME resource.
130 void vme_free_consistent(struct vme_resource *resource, size_t size,  in vme_free_consistent()  argument
135 	if (!resource) {  in vme_free_consistent()
136 		printk(KERN_ERR "No resource\n");  in vme_free_consistent()
140 	bridge = find_bridge(resource);  in vme_free_consistent()
163  * @resource: Pointer to VME slave or master resource.
167  * depending on the type of window resource handed to it.
171 size_t vme_get_size(struct vme_resource *resource)  in vme_get_size()  argument
178 	switch (resource->type) {  in vme_get_size()
180 		retval = vme_master_get(resource, &enabled, &base, &size,  in vme_get_size()
188 		retval = vme_slave_get(resource, &enabled, &base, &size,  in vme_get_size()
199 		printk(KERN_ERR "Unknown resource type\n");  in vme_get_size()
284  * vme_slave_request - Request a VME slave window resource.
289  * Request use of a VME window resource capable of being set for the requested
292  * Return: Pointer to VME resource on success, NULL on failure.
301 	struct vme_resource *resource = NULL;  in vme_slave_request()  local
315 			printk(KERN_ERR "Registered NULL Slave resource\n");  in vme_slave_request()
337 	resource = kmalloc(sizeof(*resource), GFP_KERNEL);  in vme_slave_request()
338 	if (!resource)  in vme_slave_request()
341 	resource->type = VME_SLAVE;  in vme_slave_request()
342 	resource->entry = &allocated_image->list;  in vme_slave_request()
344 	return resource;  in vme_slave_request()
359  * @resource: Pointer to VME slave resource.
370  *         device, if an invalid resource has been provided or invalid
374 int vme_slave_set(struct vme_resource *resource, int enabled,  in vme_slave_set()  argument
378 	struct vme_bridge *bridge = find_bridge(resource);  in vme_slave_set()
382 	if (resource->type != VME_SLAVE) {  in vme_slave_set()
383 		printk(KERN_ERR "Not a slave resource\n");  in vme_slave_set()
387 	image = list_entry(resource->entry, struct vme_slave_resource, list);  in vme_slave_set()
411  * @resource: Pointer to VME slave resource.
422  *         device or if an invalid resource has been provided.
424 int vme_slave_get(struct vme_resource *resource, int *enabled,  in vme_slave_get()  argument
428 	struct vme_bridge *bridge = find_bridge(resource);  in vme_slave_get()
431 	if (resource->type != VME_SLAVE) {  in vme_slave_get()
432 		printk(KERN_ERR "Not a slave resource\n");  in vme_slave_get()
436 	image = list_entry(resource->entry, struct vme_slave_resource, list);  in vme_slave_get()
450  * @resource: Pointer to VME slave resource.
452  * Free the provided slave resource so that it may be reallocated.
454 void vme_slave_free(struct vme_resource *resource)  in vme_slave_free()  argument
458 	if (resource->type != VME_SLAVE) {  in vme_slave_free()
459 		printk(KERN_ERR "Not a slave resource\n");  in vme_slave_free()
463 	slave_image = list_entry(resource->entry, struct vme_slave_resource,  in vme_slave_free()
466 		printk(KERN_ERR "Can't find slave resource\n");  in vme_slave_free()
478 	/* Free up resource memory */  in vme_slave_free()
479 	kfree(resource);  in vme_slave_free()
484  * vme_master_request - Request a VME master window resource.
490  * Request use of a VME window resource capable of being set for the requested
493  * Return: Pointer to VME resource on success, NULL on failure.
502 	struct vme_resource *resource = NULL;  in vme_master_request()  local
516 			printk(KERN_WARNING "Registered NULL master resource\n");  in vme_master_request()
535 	/* Check to see if we found a resource */  in vme_master_request()
537 		printk(KERN_ERR "Can't find a suitable resource\n");  in vme_master_request()
541 	resource = kmalloc(sizeof(*resource), GFP_KERNEL);  in vme_master_request()
542 	if (!resource)  in vme_master_request()
545 	resource->type = VME_MASTER;  in vme_master_request()
546 	resource->entry = &allocated_image->list;  in vme_master_request()
548 	return resource;  in vme_master_request()
563  * @resource: Pointer to VME master resource.
574  *         device, if an invalid resource has been provided or invalid
578 int vme_master_set(struct vme_resource *resource, int enabled,  in vme_master_set()  argument
582 	struct vme_bridge *bridge = find_bridge(resource);  in vme_master_set()
586 	if (resource->type != VME_MASTER) {  in vme_master_set()
587 		printk(KERN_ERR "Not a master resource\n");  in vme_master_set()
591 	image = list_entry(resource->entry, struct vme_master_resource, list);  in vme_master_set()
616  * @resource: Pointer to VME master resource.
627  *         device or if an invalid resource has been provided.
629 int vme_master_get(struct vme_resource *resource, int *enabled,  in vme_master_get()  argument
633 	struct vme_bridge *bridge = find_bridge(resource);  in vme_master_get()
636 	if (resource->type != VME_MASTER) {  in vme_master_get()
637 		printk(KERN_ERR "Not a master resource\n");  in vme_master_get()
641 	image = list_entry(resource->entry, struct vme_master_resource, list);  in vme_master_get()
655  * @resource: Pointer to VME master resource.
663  * Return: Number of bytes read, -EINVAL if resource is not a VME master
664  *         resource or read operation is not supported. -EFAULT returned if
668 ssize_t vme_master_read(struct vme_resource *resource, void *buf, size_t count,  in vme_master_read()  argument
671 	struct vme_bridge *bridge = find_bridge(resource);  in vme_master_read()
676 		printk(KERN_WARNING "Reading from resource not supported\n");  in vme_master_read()
680 	if (resource->type != VME_MASTER) {  in vme_master_read()
681 		printk(KERN_ERR "Not a master resource\n");  in vme_master_read()
685 	image = list_entry(resource->entry, struct vme_master_resource, list);  in vme_master_read()
687 	length = vme_get_size(resource);  in vme_master_read()
704  * @resource: Pointer to VME master resource.
712  * Return: Number of bytes written, -EINVAL if resource is not a VME master
713  *         resource or write operation is not supported. -EFAULT returned if
717 ssize_t vme_master_write(struct vme_resource *resource, void *buf,  in vme_master_write()  argument
720 	struct vme_bridge *bridge = find_bridge(resource);  in vme_master_write()
725 		printk(KERN_WARNING "Writing to resource not supported\n");  in vme_master_write()
729 	if (resource->type != VME_MASTER) {  in vme_master_write()
730 		printk(KERN_ERR "Not a master resource\n");  in vme_master_write()
734 	image = list_entry(resource->entry, struct vme_master_resource, list);  in vme_master_write()
736 	length = vme_get_size(resource);  in vme_master_write()
752  * @resource: Pointer to VME master resource.
765  * Return: Bytes written on success, -EINVAL if resource is not a VME master
766  *         resource or RMW operation is not supported. Hardware specific
769 unsigned int vme_master_rmw(struct vme_resource *resource, unsigned int mask,  in vme_master_rmw()  argument
772 	struct vme_bridge *bridge = find_bridge(resource);  in vme_master_rmw()
776 		printk(KERN_WARNING "Writing to resource not supported\n");  in vme_master_rmw()
780 	if (resource->type != VME_MASTER) {  in vme_master_rmw()
781 		printk(KERN_ERR "Not a master resource\n");  in vme_master_rmw()
785 	image = list_entry(resource->entry, struct vme_master_resource, list);  in vme_master_rmw()
793  * @resource: Pointer to VME master resource.
798  * Return: Zero on success, -EINVAL if resource is not a VME master
799  *         resource or -EFAULT if map exceeds window size. Other generic mmap
802 int vme_master_mmap(struct vme_resource *resource, struct vm_area_struct *vma)  in vme_master_mmap()  argument
808 	if (resource->type != VME_MASTER) {  in vme_master_mmap()
809 		pr_err("Not a master resource\n");  in vme_master_mmap()
813 	image = list_entry(resource->entry, struct vme_master_resource, list);  in vme_master_mmap()
830  * @resource: Pointer to VME master resource.
832  * Free the provided master resource so that it may be reallocated.
834 void vme_master_free(struct vme_resource *resource)  in vme_master_free()  argument
838 	if (resource->type != VME_MASTER) {  in vme_master_free()
839 		printk(KERN_ERR "Not a master resource\n");  in vme_master_free()
843 	master_image = list_entry(resource->entry, struct vme_master_resource,  in vme_master_free()
846 		printk(KERN_ERR "Can't find master resource\n");  in vme_master_free()
858 	/* Free up resource memory */  in vme_master_free()
859 	kfree(resource);  in vme_master_free()
871  * Return: Pointer to VME DMA resource on success, NULL on failure.
879 	struct vme_resource *resource = NULL;  in vme_dma_request()  local
881 	/* XXX Not checking resource attributes */  in vme_dma_request()
882 	printk(KERN_ERR "No VME resource Attribute tests done\n");  in vme_dma_request()
895 			printk(KERN_ERR "Registered NULL DMA resource\n");  in vme_dma_request()
912 	/* Check to see if we found a resource */  in vme_dma_request()
916 	resource = kmalloc(sizeof(*resource), GFP_KERNEL);  in vme_dma_request()
917 	if (!resource)  in vme_dma_request()
920 	resource->type = VME_DMA;  in vme_dma_request()
921 	resource->entry = &allocated_ctrlr->list;  in vme_dma_request()
923 	return resource;  in vme_dma_request()
938  * @resource: Pointer to VME DMA resource.
944  *         VME DMA resource.
946 struct vme_dma_list *vme_new_dma_list(struct vme_resource *resource)  in vme_new_dma_list()  argument
950 	if (resource->type != VME_DMA) {  in vme_new_dma_list()
951 		printk(KERN_ERR "Not a DMA resource\n");  in vme_new_dma_list()
960 	dma_list->parent = list_entry(resource->entry,  in vme_new_dma_list()
1182  * Return: Zero on success, -EINVAL on invalid VME resource, -EBUSY if resource
1218  * vme_dma_free - Free a VME DMA resource.
1219  * @resource: Pointer to VME DMA resource.
1221  * Free the provided DMA resource so that it may be reallocated.
1223  * Return: Zero on success, -EINVAL on invalid VME resource, -EBUSY if resource
1226 int vme_dma_free(struct vme_resource *resource)  in vme_dma_free()  argument
1230 	if (resource->type != VME_DMA) {  in vme_dma_free()
1231 		printk(KERN_ERR "Not a DMA resource\n");  in vme_dma_free()
1235 	ctrlr = list_entry(resource->entry, struct vme_dma_resource, list);  in vme_dma_free()
1238 		printk(KERN_ERR "Resource busy, can't free\n");  in vme_dma_free()
1243 		printk(KERN_WARNING "Resource still processing transfers\n");  in vme_dma_free()
1252 	kfree(resource);  in vme_dma_free()
1472  * Allocate a location monitor resource to the driver. A location monitor
1476  * Return: Pointer to a VME resource on success or NULL on failure.
1484 	struct vme_resource *resource = NULL;  in vme_lm_request()  local
1497 			printk(KERN_ERR "Registered NULL Location Monitor resource\n");  in vme_lm_request()
1512 	/* Check to see if we found a resource */  in vme_lm_request()
1516 	resource = kmalloc(sizeof(*resource), GFP_KERNEL);  in vme_lm_request()
1517 	if (!resource)  in vme_lm_request()
1520 	resource->type = VME_LM;  in vme_lm_request()
1521 	resource->entry = &allocated_lm->list;  in vme_lm_request()
1523 	return resource;  in vme_lm_request()
1538  * @resource: Pointer to VME location monitor resource.
1545  *	   invalid location monitor resource.
1547 int vme_lm_count(struct vme_resource *resource)  in vme_lm_count()  argument
1551 	if (resource->type != VME_LM) {  in vme_lm_count()
1552 		printk(KERN_ERR "Not a Location Monitor resource\n");  in vme_lm_count()
1556 	lm = list_entry(resource->entry, struct vme_lm_resource, list);  in vme_lm_count()
1564  * @resource: Pointer to VME location monitor resource.
1573  *	   monitor resource or function is not supported. Hardware specific
1576 int vme_lm_set(struct vme_resource *resource, unsigned long long lm_base,  in vme_lm_set()  argument
1579 	struct vme_bridge *bridge = find_bridge(resource);  in vme_lm_set()
1582 	if (resource->type != VME_LM) {  in vme_lm_set()
1583 		printk(KERN_ERR "Not a Location Monitor resource\n");  in vme_lm_set()
1587 	lm = list_entry(resource->entry, struct vme_lm_resource, list);  in vme_lm_set()
1600  * @resource: Pointer to VME location monitor resource.
1609  *	   monitor resource or function is not supported. Hardware specific
1612 int vme_lm_get(struct vme_resource *resource, unsigned long long *lm_base,  in vme_lm_get()  argument
1615 	struct vme_bridge *bridge = find_bridge(resource);  in vme_lm_get()
1618 	if (resource->type != VME_LM) {  in vme_lm_get()
1619 		printk(KERN_ERR "Not a Location Monitor resource\n");  in vme_lm_get()
1623 	lm = list_entry(resource->entry, struct vme_lm_resource, list);  in vme_lm_get()
1636  * @resource: Pointer to VME location monitor resource.
1646  *	   monitor resource or function is not supported. Hardware specific
1649 int vme_lm_attach(struct vme_resource *resource, int monitor,  in vme_lm_attach()  argument
1652 	struct vme_bridge *bridge = find_bridge(resource);  in vme_lm_attach()
1655 	if (resource->type != VME_LM) {  in vme_lm_attach()
1656 		printk(KERN_ERR "Not a Location Monitor resource\n");  in vme_lm_attach()
1660 	lm = list_entry(resource->entry, struct vme_lm_resource, list);  in vme_lm_attach()
1673  * @resource: Pointer to VME location monitor resource.
1680  *	   monitor resource or function is not supported. Hardware specific
1683 int vme_lm_detach(struct vme_resource *resource, int monitor)  in vme_lm_detach()  argument
1685 	struct vme_bridge *bridge = find_bridge(resource);  in vme_lm_detach()
1688 	if (resource->type != VME_LM) {  in vme_lm_detach()
1689 		printk(KERN_ERR "Not a Location Monitor resource\n");  in vme_lm_detach()
1693 	lm = list_entry(resource->entry, struct vme_lm_resource, list);  in vme_lm_detach()
1706  * @resource: Pointer to VME location monitor resource.
1714  *	   monitor resource.
1716 void vme_lm_free(struct vme_resource *resource)  in vme_lm_free()  argument
1720 	if (resource->type != VME_LM) {  in vme_lm_free()
1721 		printk(KERN_ERR "Not a Location Monitor resource\n");  in vme_lm_free()
1725 	lm = list_entry(resource->entry, struct vme_lm_resource, list);  in vme_lm_free()
1738 	kfree(resource);  in vme_lm_free()