IB/uverbs: Remove struct uverbs_root_spec and all supporting code

ib_uverbs-y :=			uverbs_main.o uverbs_cmd.o uverbs_marshall.o \

				rdma_core.o uverbs_std_types.o uverbs_ioctl.o \

				uverbs_ioctl_merge.o uverbs_std_types_cq.o \

				uverbs_std_types_cq.o \

				uverbs_std_types_flow_action.o uverbs_std_types_dm.o \

				uverbs_std_types_mr.o uverbs_std_types_counters.o \

				uverbs_uapi.o

#include "core_priv.h"

#include "rdma_core.h"

int uverbs_ns_idx(u16 *id, unsigned int ns_count)

{

	int ret = (*id & UVERBS_ID_NS_MASK) >> UVERBS_ID_NS_SHIFT;

	if (ret >= ns_count)

		return -EINVAL;

	*id &= ~UVERBS_ID_NS_MASK;

	return ret;

}

const struct uverbs_object_spec *uverbs_get_object(struct ib_uverbs_file *ufile,

						   uint16_t object)

{

	const struct uverbs_root_spec *object_hash = ufile->device->specs_root;

	const struct uverbs_object_spec_hash *objects;

	int ret = uverbs_ns_idx(&object, object_hash->num_buckets);

	if (ret < 0)

		return NULL;

	objects = object_hash->object_buckets[ret];

	if (object >= objects->num_objects)

		return NULL;

	return objects->objects[object];

}

const struct uverbs_method_spec *uverbs_get_method(const struct uverbs_object_spec *object,

						   uint16_t method)

{

	const struct uverbs_method_spec_hash *methods;

	int ret = uverbs_ns_idx(&method, object->num_buckets);

	if (ret < 0)

		return NULL;

	methods = object->method_buckets[ret];

	if (method >= methods->num_methods)

		return NULL;

	return methods->methods[method];

}

void uverbs_uobject_get(struct ib_uobject *uobject)

{

	kref_get(&uobject->ref);

struct ib_uverbs_device;

int uverbs_ns_idx(u16 *id, unsigned int ns_count);

const struct uverbs_object_spec *uverbs_get_object(struct ib_uverbs_file *ufile,

						   uint16_t object);

const struct uverbs_method_spec *uverbs_get_method(const struct uverbs_object_spec *object,

						   uint16_t method);

void uverbs_destroy_ufile_hw(struct ib_uverbs_file *ufile,

			     enum rdma_remove_reason reason);

	struct mutex				lists_mutex; /* protect lists */

	struct list_head			uverbs_file_list;

	struct list_head			uverbs_events_file_list;

	struct uverbs_root_spec			*specs_root;

	struct uverbs_api			*uapi;

};