src/arch/fake/hypervisor/ffa.c - hafnium/hafnium.git - TrustedFirmware Git Browser

 /*
  * Copyright 2021 The Hafnium Authors.
  *
  * Use of this source code is governed by a BSD-style
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/BSD-3-Clause.
  */

 #include "hf/ffa.h"

 #include "hf/arch/plat/ffa.h"

 #include "hf/ffa_internal.h"
 #include "hf/vcpu.h"
 #include "hf/vm.h"

 struct ffa_value arch_ffa_features(uint32_t function_id)
 {
 	(void)function_id;
 	return ffa_error(FFA_NOT_SUPPORTED);
 }

 ffa_vm_id_t arch_ffa_spmc_id_get(void)
 {
 	return HF_SPMC_VM_ID;
 }

 void plat_ffa_log_init(void)
 {
 }

 bool plat_ffa_is_memory_send_valid(ffa_vm_id_t receiver_vm_id,
 				   uint32_t share_func)
 {
 	(void)receiver_vm_id;
 	(void)share_func;

 	return true;
 }

 bool plat_ffa_is_direct_request_valid(struct vcpu *current,
 				      ffa_vm_id_t sender_vm_id,
 				      ffa_vm_id_t receiver_vm_id)
 {
 	(void)current;
 	(void)sender_vm_id;
 	(void)receiver_vm_id;

 	return true;
 }

 bool plat_ffa_is_direct_request_supported(struct vm *sender_vm,
 					  struct vm *receiver_vm)
 {
 	(void)sender_vm;
 	(void)receiver_vm;

 	return false;
 }

 bool plat_ffa_is_direct_response_valid(struct vcpu *current,
 				       ffa_vm_id_t sender_vm_id,
 				       ffa_vm_id_t receiver_vm_id)
 {
 	(void)current;
 	(void)sender_vm_id;
 	(void)receiver_vm_id;

 	return true;
 }

 bool plat_ffa_run_forward(ffa_vm_id_t vm_id, ffa_vcpu_index_t vcpu_idx,
 			  struct ffa_value *ret)
 {
 	(void)vm_id;
 	(void)vcpu_idx;
 	(void)ret;

 	return false;
 }

 void plat_ffa_vm_destroy(struct vm_locked to_destroy_locked)
 {
 	(void)to_destroy_locked;
 }

 void plat_ffa_rxtx_unmap_forward(struct vm_locked vm_locked)
 {
 	(void)vm_locked;
 }

 bool plat_ffa_direct_request_forward(ffa_vm_id_t receiver_vm_id,
 				     struct ffa_value args,
 				     struct ffa_value *ret)
 {
 	(void)receiver_vm_id;
 	(void)args;
 	(void)ret;
 	return false;
 }

 bool plat_ffa_rx_release_forward(struct vm_locked vm_locked,
 				 struct ffa_value *ret)
 {
 	(void)vm_locked;
 	(void)ret;

 	return false;
 }

 bool plat_ffa_rx_release_forwarded(struct vm_locked vm_locked)
 {
 	(void)vm_locked;

 	return false;
 }

 bool plat_ffa_acquire_receiver_rx(struct vm_locked to_locked,
 				  struct ffa_value *ret)
 {
 	(void)to_locked;
 	(void)ret;

 	return false;
 }

 bool plat_ffa_is_indirect_msg_supported(struct vm_locked sender_locked,
 					struct vm_locked receiver_locked)
 {
 	(void)sender_locked;
 	(void)receiver_locked;

 	return false;
 }

 bool plat_ffa_msg_send2_forward(ffa_vm_id_t receiver_vm_id,
 				ffa_vm_id_t sender_vm_id, struct ffa_value *ret)
 {
 	(void)receiver_vm_id;
 	(void)sender_vm_id;
 	(void)ret;

 	return false;
 }

 ffa_memory_handle_t plat_ffa_memory_handle_make(uint64_t index)
 {
 	return index;
 }

 bool plat_ffa_memory_handle_allocated_by_current_world(
 	ffa_memory_handle_t handle)
 {
 	(void)handle;
 	return false;
 }

 uint32_t plat_ffa_other_world_mode(void)
 {
 	return 0U;
 }

 uint32_t plat_ffa_owner_world_mode(ffa_vm_id_t owner_id)
 {
 	(void)owner_id;
 	return 0U;
 }

 bool plat_ffa_is_notifications_bind_valid(struct vcpu *current,
 					  ffa_vm_id_t sender_id,
 					  ffa_vm_id_t receiver_id)
 {
 	(void)current;
 	(void)sender_id;
 	(void)receiver_id;
 	return false;
 }

 bool plat_ffa_notifications_update_bindings_forward(
 	ffa_vm_id_t receiver_id, ffa_vm_id_t sender_id, uint32_t flags,
 	ffa_notifications_bitmap_t bitmap, bool is_bind, struct ffa_value *ret)
 {
 	(void)ret;
 	(void)receiver_id;
 	(void)sender_id;
 	(void)flags;
 	(void)bitmap;
 	(void)is_bind;
 	(void)ret;

 	return false;
 }

 void plat_ffa_rxtx_map_forward(struct vm_locked vm_locked)
 {
 	(void)vm_locked;
 }

 ffa_partition_properties_t plat_ffa_partition_properties(
 	ffa_vm_id_t vm_id, const struct vm *target)
 {
 	(void)vm_id;
 	(void)target;
 	return 0;
 }

 bool plat_ffa_vm_managed_exit_supported(struct vm *vm)
 {
 	(void)vm;
 	return false;
 }

 bool plat_ffa_is_notifications_create_valid(struct vcpu *current,
 					    ffa_vm_id_t vm_id)
 {
 	(void)current;
 	(void)vm_id;

 	return false;
 }

 bool plat_ffa_is_notification_set_valid(struct vcpu *current,
 					ffa_vm_id_t sender_id,
 					ffa_vm_id_t receiver_id)
 {
 	(void)current;
 	(void)sender_id;
 	(void)receiver_id;
 	return false;
 }

 bool plat_ffa_is_notification_get_valid(struct vcpu *current,
 					ffa_vm_id_t receiver_id, uint32_t flags)
 {
 	(void)flags;
 	(void)current;
 	(void)receiver_id;
 	return false;
 }

 bool plat_ffa_notifications_get_from_sp(
 	struct vm_locked receiver_locked, ffa_vcpu_index_t vcpu_id,
 	ffa_notifications_bitmap_t *from_sp,  // NOLINT
 	struct ffa_value *ret)		      // NOLINT
 {
 	(void)receiver_locked;
 	(void)vcpu_id;
 	(void)from_sp;
 	(void)ret;

 	return false;
 }

 bool plat_ffa_notifications_get_framework_notifications(
 	struct vm_locked receiver_locked,
 	ffa_notifications_bitmap_t *from_fwk,  // NOLINT
 	uint32_t flags, ffa_vcpu_index_t vcpu_id, struct ffa_value *ret)
 {
 	(void)receiver_locked;
 	(void)from_fwk;
 	(void)flags;
 	(void)vcpu_id;
 	(void)ret;

 	return false;
 }

 bool plat_ffa_notification_set_forward(ffa_vm_id_t sender_vm_id,
 				       ffa_vm_id_t receiver_vm_id,
 				       uint32_t flags,
 				       ffa_notifications_bitmap_t bitmap,
 				       struct ffa_value *ret)
 {
 	(void)sender_vm_id;
 	(void)receiver_vm_id;
 	(void)flags;
 	(void)bitmap;
 	(void)ret;

 	return false;
 }

 struct ffa_value plat_ffa_notifications_bitmap_create(
 	ffa_vm_id_t vm_id, ffa_vcpu_count_t vcpu_count)
 {
 	(void)vm_id;
 	(void)vcpu_count;

 	return ffa_error(FFA_NOT_SUPPORTED);
 }

 struct ffa_value plat_ffa_notifications_bitmap_destroy(ffa_vm_id_t vm_id)
 {
 	(void)vm_id;

 	return ffa_error(FFA_NOT_SUPPORTED);
 }

 struct vm_locked plat_ffa_vm_find_locked(ffa_vm_id_t vm_id)
 {
 	(void)vm_id;
 	return (struct vm_locked){.vm = NULL};
 }

 struct vm_locked plat_ffa_vm_find_locked_create(ffa_vm_id_t vm_id)
 {
 	(void)vm_id;
 	return (struct vm_locked){.vm = NULL};
 }

 bool plat_ffa_is_vm_id(ffa_vm_id_t vm_id)
 {
 	(void)vm_id;
 	return false;
 }

 bool plat_ffa_vm_notifications_info_get(     // NOLINTNEXTLINE
 	uint16_t *ids, uint32_t *ids_count,  // NOLINTNEXTLINE
 	uint32_t *lists_sizes,		     // NOLINTNEXTLINE
 	uint32_t *lists_count, const uint32_t ids_count_max)
 {
 	(void)ids;
 	(void)ids_count;
 	(void)lists_sizes;
 	(void)lists_count;
 	(void)ids_count_max;

 	return false;
 }

 bool plat_ffa_is_mem_perm_get_valid(const struct vcpu *current)
 {
 	(void)current;
 	return false;
 }

 bool plat_ffa_is_mem_perm_set_valid(const struct vcpu *current)
 {
 	(void)current;
 	return false;
 }

 /**
  * Check if current VM can resume target VM/SP using FFA_RUN ABI.
  */
 bool plat_ffa_run_checks(struct vcpu *current, ffa_vm_id_t target_vm_id,
 			 ffa_vcpu_index_t vcpu_idx, struct ffa_value *run_ret,
 			 struct vcpu **next)
 {
 	(void)current;
 	(void)target_vm_id;
 	(void)run_ret;
 	(void)next;
 	(void)vcpu_idx;
 	return true;
 }

 void plat_ffa_notification_info_get_forward(  // NOLINTNEXTLINE
 	uint16_t *ids, uint32_t *ids_count,   // NOLINTNEXTLINE
 	uint32_t *lists_sizes, uint32_t *lists_count,
 	const uint32_t ids_count_max)
 {
 	(void)ids;
 	(void)ids_count;
 	(void)lists_sizes;
 	(void)lists_count;
 	(void)ids_count_max;
 }

 void plat_ffa_sri_state_set(enum plat_ffa_sri_state state)
 {
 	(void)state;
 }

 void plat_ffa_sri_trigger_if_delayed(struct cpu *cpu)
 {
 	(void)cpu;
 }

 void plat_ffa_sri_trigger_not_delayed(struct cpu *cpu)
 {
 	(void)cpu;
 }

 bool plat_ffa_inject_notification_pending_interrupt(
 	struct vcpu_locked target_locked, struct vcpu *current,
 	struct vm_locked receiver_locked)
 {
 	(void)target_locked;
 	(void)current;
 	(void)receiver_locked;

 	return false;
 }

 bool plat_ffa_partition_info_get_regs_forward(	// NOLINTNEXTLINE
 	const struct ffa_uuid *uuid,
 	const uint16_t start_index,  // NOLINTNEXTLINE
 	const uint16_t tag,
 	struct ffa_partition_info *partitions,	// NOLINTNEXTLINE
 	uint16_t partitions_len, ffa_vm_count_t *ret_count)
 {
 	(void)uuid;
 	(void)start_index;
 	(void)tag;
 	(void)partitions;
 	(void)partitions_len;
 	(void)ret_count;
 	return true;
 }

 void plat_ffa_partition_info_get_forward(  // NOLINTNEXTLINE
 	const struct ffa_uuid *uuid,	   // NOLINTNEXTLINE
 	const uint32_t flags,		   // NOLINTNEXTLINE
 	struct ffa_partition_info *partitions, ffa_vm_count_t *ret_count)
 {
 	(void)uuid;
 	(void)flags;
 	(void)partitions;
 	(void)ret_count;
 }

 bool plat_ffa_is_secondary_ep_register_supported(void)
 {
 	return false;
 }

 struct ffa_value plat_ffa_msg_wait_prepare(struct vcpu *current,
 					   struct vcpu **next)
 {
 	(void)current;
 	(void)next;

 	return (struct ffa_value){.func = FFA_INTERRUPT_32};
 }

 bool plat_ffa_check_runtime_state_transition(struct vcpu *current,
 					     ffa_vm_id_t vm_id,
 					     ffa_vm_id_t receiver_vm_id,
 					     struct vcpu *receiver_vcpu,
 					     uint32_t func,  // NOLINTNEXTLINE
 					     enum vcpu_state *next_state)
 {
 	/* Perform state transition checks only for Secure Partitions. */
 	(void)current;
 	(void)vm_id;
 	(void)receiver_vm_id;
 	(void)receiver_vcpu;
 	(void)func;
 	(void)next_state;

 	return true;
 }

 void plat_ffa_init_schedule_mode_ffa_run(struct vcpu *current,
 					 struct vcpu_locked target_locked)
 {
 	/* Scheduling mode not supported in the Hypervisor/VMs. */
 	(void)current;
 	(void)target_locked;
 }

 void plat_ffa_wind_call_chain_ffa_direct_req(
 	struct vcpu_locked current_locked,
 	struct vcpu_locked receiver_vcpu_locked)
 {
 	/* Calls chains not supported in the Hypervisor/VMs. */
 	(void)current_locked;
 	(void)receiver_vcpu_locked;
 }

 void plat_ffa_unwind_call_chain_ffa_direct_resp(struct vcpu *current,
 						struct vcpu *next)
 {
 	/* Calls chains not supported in the Hypervisor/VMs. */
 	(void)current;
 	(void)next;
 }

 bool plat_ffa_intercept_direct_response(struct vcpu_locked current_locked,
 					struct vcpu **next,
 					struct ffa_value to_ret,
 					struct ffa_value *signal_interrupt)
 {
 	/*
 	 * Only applicable to SPMC as it signals virtual secure interrupt to
 	 * S-EL0 partitions.
 	 */
 	(void)current_locked;
 	(void)next;
 	(void)to_ret;
 	(void)signal_interrupt;

 	return false;
 }

 void plat_ffa_enable_virtual_interrupts(struct vcpu_locked current_locked,
 					struct vm_locked vm_locked)
 {
 	(void)current_locked;
 	(void)vm_locked;
 }

 bool plat_ffa_is_direct_response_interrupted(struct vcpu *current)
 {
 	(void)current;
 	return false;
 }

 struct ffa_value plat_ffa_other_world_mem_send(
 	struct vm *from, uint32_t share_func,
 	struct ffa_memory_region **memory_region, uint32_t length,
 	uint32_t fragment_length, struct mpool *page_pool)
 {
 	(void)from;
 	(void)memory_region;
 	(void)length;
 	(void)fragment_length;
 	(void)page_pool;
 	(void)share_func;

 	return (struct ffa_value){0};
 }

 struct ffa_value plat_ffa_other_world_mem_reclaim(
 	struct vm *to, ffa_memory_handle_t handle,
 	ffa_memory_region_flags_t flags, struct mpool *page_pool)
 {
 	(void)handle;
 	(void)flags;
 	(void)page_pool;
 	(void)to;

 	return ffa_error(FFA_INVALID_PARAMETERS);
 }

 struct ffa_value plat_ffa_other_world_mem_retrieve(
 	struct vm_locked to_locked, struct ffa_memory_region *retrieve_request,
 	uint32_t length, struct mpool *page_pool)
 {
 	(void)to_locked;
 	(void)retrieve_request;
 	(void)length;
 	(void)page_pool;

 	return ffa_error(FFA_INVALID_PARAMETERS);
 }

 struct ffa_value plat_ffa_other_world_mem_send_continue(
 	struct vm *from, void *fragment, uint32_t fragment_length,
 	ffa_memory_handle_t handle, struct mpool *page_pool)
 {
 	(void)from;
 	(void)fragment;
 	(void)fragment_length;
 	(void)handle;
 	(void)page_pool;

 	return ffa_error(FFA_INVALID_PARAMETERS);
 }

 struct ffa_value plat_ffa_msg_send(ffa_vm_id_t sender_vm_id,
 				   ffa_vm_id_t receiver_vm_id, uint32_t size,
 				   struct vcpu *current, struct vcpu **next)
 {
 	(void)sender_vm_id;
 	(void)receiver_vm_id;
 	(void)size;
 	(void)current;
 	(void)next;

 	return ffa_error(FFA_NOT_SUPPORTED);
 }
	/*
	* Copyright 2021 The Hafnium Authors.
	*
	* Use of this source code is governed by a BSD-style
	* license that can be found in the LICENSE file or at
	* https://opensource.org/licenses/BSD-3-Clause.
	*/

	#include "hf/ffa.h"

	#include "hf/arch/plat/ffa.h"

	#include "hf/ffa_internal.h"
	#include "hf/vcpu.h"
	#include "hf/vm.h"

	struct ffa_value arch_ffa_features(uint32_t function_id)
	{
	(void)function_id;
	return ffa_error(FFA_NOT_SUPPORTED);
	}

	ffa_vm_id_t arch_ffa_spmc_id_get(void)
	{
	return HF_SPMC_VM_ID;
	}

	void plat_ffa_log_init(void)
	{
	}

	bool plat_ffa_is_memory_send_valid(ffa_vm_id_t receiver_vm_id,
	uint32_t share_func)
	{
	(void)receiver_vm_id;
	(void)share_func;

	return true;
	}

	bool plat_ffa_is_direct_request_valid(struct vcpu *current,
	ffa_vm_id_t sender_vm_id,
	ffa_vm_id_t receiver_vm_id)
	{
	(void)current;
	(void)sender_vm_id;
	(void)receiver_vm_id;

	return true;
	}

	bool plat_ffa_is_direct_request_supported(struct vm *sender_vm,
	struct vm *receiver_vm)
	{
	(void)sender_vm;
	(void)receiver_vm;

	return false;
	}

	bool plat_ffa_is_direct_response_valid(struct vcpu *current,
	ffa_vm_id_t sender_vm_id,
	ffa_vm_id_t receiver_vm_id)
	{
	(void)current;
	(void)sender_vm_id;
	(void)receiver_vm_id;

	return true;
	}

	bool plat_ffa_run_forward(ffa_vm_id_t vm_id, ffa_vcpu_index_t vcpu_idx,
	struct ffa_value *ret)
	{
	(void)vm_id;
	(void)vcpu_idx;
	(void)ret;

	return false;
	}

	void plat_ffa_vm_destroy(struct vm_locked to_destroy_locked)
	{
	(void)to_destroy_locked;
	}

	void plat_ffa_rxtx_unmap_forward(struct vm_locked vm_locked)
	{
	(void)vm_locked;
	}

	bool plat_ffa_direct_request_forward(ffa_vm_id_t receiver_vm_id,
	struct ffa_value args,
	struct ffa_value *ret)
	{
	(void)receiver_vm_id;
	(void)args;
	(void)ret;
	return false;
	}

	bool plat_ffa_rx_release_forward(struct vm_locked vm_locked,
	struct ffa_value *ret)
	{
	(void)vm_locked;
	(void)ret;

	return false;
	}

	bool plat_ffa_rx_release_forwarded(struct vm_locked vm_locked)
	{
	(void)vm_locked;

	return false;
	}

	bool plat_ffa_acquire_receiver_rx(struct vm_locked to_locked,
	struct ffa_value *ret)
	{
	(void)to_locked;
	(void)ret;

	return false;
	}

	bool plat_ffa_is_indirect_msg_supported(struct vm_locked sender_locked,
	struct vm_locked receiver_locked)
	{
	(void)sender_locked;
	(void)receiver_locked;

	return false;
	}

	bool plat_ffa_msg_send2_forward(ffa_vm_id_t receiver_vm_id,
	ffa_vm_id_t sender_vm_id, struct ffa_value *ret)
	{
	(void)receiver_vm_id;
	(void)sender_vm_id;
	(void)ret;

	return false;
	}

	ffa_memory_handle_t plat_ffa_memory_handle_make(uint64_t index)
	{
	return index;
	}

	bool plat_ffa_memory_handle_allocated_by_current_world(
	ffa_memory_handle_t handle)
	{
	(void)handle;
	return false;
	}

	uint32_t plat_ffa_other_world_mode(void)
	{
	return 0U;
	}

	uint32_t plat_ffa_owner_world_mode(ffa_vm_id_t owner_id)
	{
	(void)owner_id;
	return 0U;
	}

	bool plat_ffa_is_notifications_bind_valid(struct vcpu *current,
	ffa_vm_id_t sender_id,
	ffa_vm_id_t receiver_id)
	{
	(void)current;
	(void)sender_id;
	(void)receiver_id;
	return false;
	}

	bool plat_ffa_notifications_update_bindings_forward(
	ffa_vm_id_t receiver_id, ffa_vm_id_t sender_id, uint32_t flags,
	ffa_notifications_bitmap_t bitmap, bool is_bind, struct ffa_value *ret)
	{
	(void)ret;
	(void)receiver_id;
	(void)sender_id;
	(void)flags;
	(void)bitmap;
	(void)is_bind;
	(void)ret;

	return false;
	}

	void plat_ffa_rxtx_map_forward(struct vm_locked vm_locked)
	{
	(void)vm_locked;
	}

	ffa_partition_properties_t plat_ffa_partition_properties(
	ffa_vm_id_t vm_id, const struct vm *target)
	{
	(void)vm_id;
	(void)target;
	return 0;
	}

	bool plat_ffa_vm_managed_exit_supported(struct vm *vm)
	{
	(void)vm;
	return false;
	}

	bool plat_ffa_is_notifications_create_valid(struct vcpu *current,
	ffa_vm_id_t vm_id)
	{
	(void)current;
	(void)vm_id;

	return false;
	}

	bool plat_ffa_is_notification_set_valid(struct vcpu *current,
	ffa_vm_id_t sender_id,
	ffa_vm_id_t receiver_id)
	{
	(void)current;
	(void)sender_id;
	(void)receiver_id;
	return false;
	}

	bool plat_ffa_is_notification_get_valid(struct vcpu *current,
	ffa_vm_id_t receiver_id, uint32_t flags)
	{
	(void)flags;
	(void)current;
	(void)receiver_id;
	return false;
	}

	bool plat_ffa_notifications_get_from_sp(
	struct vm_locked receiver_locked, ffa_vcpu_index_t vcpu_id,
	ffa_notifications_bitmap_t *from_sp, // NOLINT
	struct ffa_value *ret) // NOLINT
	{
	(void)receiver_locked;
	(void)vcpu_id;
	(void)from_sp;
	(void)ret;

	return false;
	}

	bool plat_ffa_notifications_get_framework_notifications(
	struct vm_locked receiver_locked,
	ffa_notifications_bitmap_t *from_fwk, // NOLINT
	uint32_t flags, ffa_vcpu_index_t vcpu_id, struct ffa_value *ret)
	{
	(void)receiver_locked;
	(void)from_fwk;
	(void)flags;
	(void)vcpu_id;
	(void)ret;

	return false;
	}

	bool plat_ffa_notification_set_forward(ffa_vm_id_t sender_vm_id,
	ffa_vm_id_t receiver_vm_id,
	uint32_t flags,
	ffa_notifications_bitmap_t bitmap,
	struct ffa_value *ret)
	{
	(void)sender_vm_id;
	(void)receiver_vm_id;
	(void)flags;
	(void)bitmap;
	(void)ret;

	return false;
	}

	struct ffa_value plat_ffa_notifications_bitmap_create(
	ffa_vm_id_t vm_id, ffa_vcpu_count_t vcpu_count)
	{
	(void)vm_id;
	(void)vcpu_count;

	return ffa_error(FFA_NOT_SUPPORTED);
	}

	struct ffa_value plat_ffa_notifications_bitmap_destroy(ffa_vm_id_t vm_id)
	{
	(void)vm_id;

	return ffa_error(FFA_NOT_SUPPORTED);
	}

	struct vm_locked plat_ffa_vm_find_locked(ffa_vm_id_t vm_id)
	{
	(void)vm_id;
	return (struct vm_locked){.vm = NULL};
	}

	struct vm_locked plat_ffa_vm_find_locked_create(ffa_vm_id_t vm_id)
	{
	(void)vm_id;
	return (struct vm_locked){.vm = NULL};
	}

	bool plat_ffa_is_vm_id(ffa_vm_id_t vm_id)
	{
	(void)vm_id;
	return false;
	}

	bool plat_ffa_vm_notifications_info_get( // NOLINTNEXTLINE
	uint16_t ids, uint32_t ids_count, // NOLINTNEXTLINE
	uint32_t *lists_sizes, // NOLINTNEXTLINE
	uint32_t *lists_count, const uint32_t ids_count_max)
	{
	(void)ids;
	(void)ids_count;
	(void)lists_sizes;
	(void)lists_count;
	(void)ids_count_max;

	return false;
	}

	bool plat_ffa_is_mem_perm_get_valid(const struct vcpu *current)
	{
	(void)current;
	return false;
	}

	bool plat_ffa_is_mem_perm_set_valid(const struct vcpu *current)
	{
	(void)current;
	return false;
	}

	/**
	* Check if current VM can resume target VM/SP using FFA_RUN ABI.
	*/
	bool plat_ffa_run_checks(struct vcpu *current, ffa_vm_id_t target_vm_id,
	ffa_vcpu_index_t vcpu_idx, struct ffa_value *run_ret,
	struct vcpu **next)
	{
	(void)current;
	(void)target_vm_id;
	(void)run_ret;
	(void)next;
	(void)vcpu_idx;
	return true;
	}

	void plat_ffa_notification_info_get_forward( // NOLINTNEXTLINE
	uint16_t ids, uint32_t ids_count, // NOLINTNEXTLINE
	uint32_t lists_sizes, uint32_t lists_count,
	const uint32_t ids_count_max)
	{
	(void)ids;
	(void)ids_count;
	(void)lists_sizes;
	(void)lists_count;
	(void)ids_count_max;
	}

	void plat_ffa_sri_state_set(enum plat_ffa_sri_state state)
	{
	(void)state;
	}

	void plat_ffa_sri_trigger_if_delayed(struct cpu *cpu)
	{
	(void)cpu;
	}

	void plat_ffa_sri_trigger_not_delayed(struct cpu *cpu)
	{
	(void)cpu;
	}

	bool plat_ffa_inject_notification_pending_interrupt(
	struct vcpu_locked target_locked, struct vcpu *current,
	struct vm_locked receiver_locked)
	{
	(void)target_locked;
	(void)current;
	(void)receiver_locked;

	return false;
	}

	bool plat_ffa_partition_info_get_regs_forward( // NOLINTNEXTLINE
	const struct ffa_uuid *uuid,
	const uint16_t start_index, // NOLINTNEXTLINE
	const uint16_t tag,
	struct ffa_partition_info *partitions, // NOLINTNEXTLINE
	uint16_t partitions_len, ffa_vm_count_t *ret_count)
	{
	(void)uuid;
	(void)start_index;
	(void)tag;
	(void)partitions;
	(void)partitions_len;
	(void)ret_count;
	return true;
	}

	void plat_ffa_partition_info_get_forward( // NOLINTNEXTLINE
	const struct ffa_uuid *uuid, // NOLINTNEXTLINE
	const uint32_t flags, // NOLINTNEXTLINE
	struct ffa_partition_info partitions, ffa_vm_count_t ret_count)
	{
	(void)uuid;
	(void)flags;
	(void)partitions;
	(void)ret_count;
	}

	bool plat_ffa_is_secondary_ep_register_supported(void)
	{
	return false;
	}

	struct ffa_value plat_ffa_msg_wait_prepare(struct vcpu *current,
	struct vcpu **next)
	{
	(void)current;
	(void)next;

	return (struct ffa_value){.func = FFA_INTERRUPT_32};
	}

	bool plat_ffa_check_runtime_state_transition(struct vcpu *current,
	ffa_vm_id_t vm_id,
	ffa_vm_id_t receiver_vm_id,
	struct vcpu *receiver_vcpu,
	uint32_t func, // NOLINTNEXTLINE
	enum vcpu_state *next_state)
	{
	/* Perform state transition checks only for Secure Partitions. */
	(void)current;
	(void)vm_id;
	(void)receiver_vm_id;
	(void)receiver_vcpu;
	(void)func;
	(void)next_state;

	return true;
	}

	void plat_ffa_init_schedule_mode_ffa_run(struct vcpu *current,
	struct vcpu_locked target_locked)
	{
	/* Scheduling mode not supported in the Hypervisor/VMs. */
	(void)current;
	(void)target_locked;
	}

	void plat_ffa_wind_call_chain_ffa_direct_req(
	struct vcpu_locked current_locked,
	struct vcpu_locked receiver_vcpu_locked)
	{
	/* Calls chains not supported in the Hypervisor/VMs. */
	(void)current_locked;
	(void)receiver_vcpu_locked;
	}

	void plat_ffa_unwind_call_chain_ffa_direct_resp(struct vcpu *current,
	struct vcpu *next)
	{
	/* Calls chains not supported in the Hypervisor/VMs. */
	(void)current;
	(void)next;
	}

	bool plat_ffa_intercept_direct_response(struct vcpu_locked current_locked,
	struct vcpu **next,
	struct ffa_value to_ret,
	struct ffa_value *signal_interrupt)
	{
	/*
	* Only applicable to SPMC as it signals virtual secure interrupt to
	* S-EL0 partitions.
	*/
	(void)current_locked;
	(void)next;
	(void)to_ret;
	(void)signal_interrupt;

	return false;
	}

	void plat_ffa_enable_virtual_interrupts(struct vcpu_locked current_locked,
	struct vm_locked vm_locked)
	{
	(void)current_locked;
	(void)vm_locked;
	}

	bool plat_ffa_is_direct_response_interrupted(struct vcpu *current)
	{
	(void)current;
	return false;
	}

	struct ffa_value plat_ffa_other_world_mem_send(
	struct vm *from, uint32_t share_func,
	struct ffa_memory_region **memory_region, uint32_t length,
	uint32_t fragment_length, struct mpool *page_pool)
	{
	(void)from;
	(void)memory_region;
	(void)length;
	(void)fragment_length;
	(void)page_pool;
	(void)share_func;

	return (struct ffa_value){0};
	}

	struct ffa_value plat_ffa_other_world_mem_reclaim(
	struct vm *to, ffa_memory_handle_t handle,
	ffa_memory_region_flags_t flags, struct mpool *page_pool)
	{
	(void)handle;
	(void)flags;
	(void)page_pool;
	(void)to;

	return ffa_error(FFA_INVALID_PARAMETERS);
	}

	struct ffa_value plat_ffa_other_world_mem_retrieve(
	struct vm_locked to_locked, struct ffa_memory_region *retrieve_request,
	uint32_t length, struct mpool *page_pool)
	{
	(void)to_locked;
	(void)retrieve_request;
	(void)length;
	(void)page_pool;

	return ffa_error(FFA_INVALID_PARAMETERS);
	}

	struct ffa_value plat_ffa_other_world_mem_send_continue(
	struct vm from, void fragment, uint32_t fragment_length,
	ffa_memory_handle_t handle, struct mpool *page_pool)
	{
	(void)from;
	(void)fragment;
	(void)fragment_length;
	(void)handle;
	(void)page_pool;

	return ffa_error(FFA_INVALID_PARAMETERS);
	}

	struct ffa_value plat_ffa_msg_send(ffa_vm_id_t sender_vm_id,
	ffa_vm_id_t receiver_vm_id, uint32_t size,
	struct vcpu current, struct vcpu *next)
	{
	(void)sender_vm_id;
	(void)receiver_vm_id;
	(void)size;
	(void)current;
	(void)next;

	return ffa_error(FFA_NOT_SUPPORTED);
	}