inc/hf/api.h

/*
 * Copyright 2018 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/cpu.h"
#include "hf/mpool.h"
#include "hf/vm.h"

#include "vmapi/hf/call.h"
#include "vmapi/hf/ffa.h"

void api_init(struct mpool *ppool);
ffa_vm_count_t api_vm_get_count(void);
ffa_vcpu_count_t api_vcpu_get_count(ffa_vm_id_t vm_id,
				    const struct vcpu *current);
void api_regs_state_saved(struct vcpu *vcpu);
int64_t api_mailbox_writable_get(const struct vcpu *current);
int64_t api_mailbox_waiter_get(ffa_vm_id_t vm_id, const struct vcpu *current);
int64_t api_debug_log(char c, struct vcpu *current);

struct vcpu *api_preempt(struct vcpu *current);
struct vcpu *api_wait_for_interrupt(struct vcpu *current);
struct vcpu *api_vcpu_off(struct vcpu *current);
struct vcpu *api_abort(struct vcpu *current);
struct vcpu *api_wake_up(struct vcpu *current, struct vcpu *target_vcpu);

int64_t api_interrupt_enable(uint32_t intid, bool enable, struct vcpu *current);
uint32_t api_interrupt_get(struct vcpu *current);
int64_t api_interrupt_inject(ffa_vm_id_t target_vm_id,
			     ffa_vcpu_index_t target_vcpu_idx, uint32_t intid,
			     struct vcpu *current, struct vcpu **next);

struct ffa_value api_ffa_msg_send(ffa_vm_id_t sender_vm_id,
				  ffa_vm_id_t receiver_vm_id, uint32_t size,
				  uint32_t attributes, struct vcpu *current,
				  struct vcpu **next);
struct ffa_value api_ffa_msg_recv(bool block, struct vcpu *current,
				  struct vcpu **next);
struct ffa_value api_ffa_rx_release(struct vcpu *current, struct vcpu **next);
struct ffa_value api_ffa_rxtx_map(ipaddr_t send, ipaddr_t recv,
				  uint32_t page_count, struct vcpu *current,
				  struct vcpu **next);
void api_yield(struct vcpu *current, struct vcpu **next);
struct ffa_value api_ffa_version(uint32_t requested_version);
struct ffa_value api_ffa_id_get(const struct vcpu *current);
struct ffa_value api_ffa_features(uint32_t function_id);
struct ffa_value api_ffa_run(ffa_vm_id_t vm_id, ffa_vcpu_index_t vcpu_idx,
			     const struct vcpu *current, struct vcpu **next);
struct ffa_value api_ffa_mem_send(uint32_t share_func, uint32_t length,
				  uint32_t fragment_length, ipaddr_t address,
				  uint32_t page_count, struct vcpu *current,
				  struct vcpu **next);
struct ffa_value api_ffa_mem_retrieve_req(uint32_t length,
					  uint32_t fragment_length,
					  ipaddr_t address, uint32_t page_count,
					  struct vcpu *current);
struct ffa_value api_ffa_mem_relinquish(struct vcpu *current);
struct ffa_value api_ffa_mem_reclaim(ffa_memory_handle_t handle,
				     ffa_memory_region_flags_t flags,
				     struct vcpu *current);