inc/hf/ffa_memory.h

/*
 * Copyright 2019 The Hafnium Authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#pragma once

#include "hf/mpool.h"
#include "hf/vm.h"

#include "vmapi/hf/ffa.h"

struct ffa_value ffa_memory_send(struct vm_locked from_locked,
				 struct ffa_memory_region *memory_region,
				 uint32_t memory_share_length,
				 uint32_t fragment_length, uint32_t share_func,
				 struct mpool *page_pool);
struct ffa_value ffa_memory_tee_send(
	struct vm_locked from_locked, struct vm_locked to_locked,
	struct ffa_memory_region *memory_region, uint32_t memory_share_length,
	uint32_t fragment_length, uint32_t share_func, struct mpool *page_pool);
struct ffa_value ffa_memory_send_continue(struct vm_locked from_locked,
					  void *fragment,
					  uint32_t fragment_length,
					  ffa_memory_handle_t handle,
					  struct mpool *page_pool);
struct ffa_value ffa_memory_tee_send_continue(struct vm_locked from_locked,
					      struct vm_locked to_locked,
					      void *fragment,
					      uint32_t fragment_length,
					      ffa_memory_handle_t handle,
					      struct mpool *page_pool);
struct ffa_value ffa_memory_retrieve(struct vm_locked to_locked,
				     struct ffa_memory_region *retrieve_request,
				     uint32_t retrieve_request_length,
				     struct mpool *page_pool);
struct ffa_value ffa_memory_retrieve_continue(struct vm_locked to_locked,
					      ffa_memory_handle_t handle,
					      uint32_t fragment_offset,
					      struct mpool *page_pool);
struct ffa_value ffa_memory_relinquish(
	struct vm_locked from_locked,
	struct ffa_mem_relinquish *relinquish_request, struct mpool *page_pool);
struct ffa_value ffa_memory_reclaim(struct vm_locked to_locked,
				    ffa_memory_handle_t handle,
				    ffa_memory_region_flags_t flags,
				    struct mpool *page_pool);
struct ffa_value ffa_memory_tee_reclaim(struct vm_locked to_locked,
					struct vm_locked from_locked,
					ffa_memory_handle_t handle,
					ffa_memory_region_flags_t flags,
					struct mpool *page_pool);