text: /** @file
    Header file for FF-A ABI's that will be used for
    communication between S-EL0 and the Secure Partition
    Manager(SPM)
  
    Copyright (c) 2020, ARM Limited. All rights reserved.
  
    SPDX-License-Identifier: BSD-2-Clause-Patent
  
    @par Revision Reference:
      - FF-A Version 1.0
  
  
  **/
  
  #ifndef ARM_FFA_SVC_H_
  #define ARM_FFA_SVC_H_
  
  #define ARM_SVC_ID_FFA_VERSION_AARCH32                  0x84000063
  #define ARM_SVC_ID_FFA_MSG_SEND_DIRECT_REQ_AARCH32      0x8400006F
  #define ARM_SVC_ID_FFA_MSG_SEND_DIRECT_RESP_AARCH32     0x84000070
  #define ARM_SVC_ID_FFA_MSG_SEND_DIRECT_REQ_AARCH64      0xC400006F
  #define ARM_SVC_ID_FFA_MSG_SEND_DIRECT_RESP_AARCH64     0xC4000070
  
  /* Generic IDs when using AArch32 or AArch64 execution state */
  #ifdef MDE_CPU_AARCH64
  #define ARM_SVC_ID_FFA_MSG_SEND_DIRECT_REQ     ARM_SVC_ID_FFA_MSG_SEND_DIRECT_REQ_AARCH64
  #define ARM_SVC_ID_FFA_MSG_SEND_DIRECT_RESP    ARM_SVC_ID_FFA_MSG_SEND_DIRECT_RESP_AARCH64
  #endif
  #ifdef MDE_CPU_ARM
  #define ARM_SVC_ID_FFA_MSG_SEND_DIRECT_REQ     ARM_SVC_ID_FFA_MSG_SEND_DIRECT_REQ_AARCH32
  #define ARM_SVC_ID_FFA_MSG_SEND_DIRECT_RESP    ARM_SVC_ID_FFA_MSG_SEND_DIRECT_RESP_AARCH32
  #endif
  
  #define SPM_MAJOR_VERSION_FFA                           1
  #define SPM_MINOR_VERSION_FFA                           0
  
  #define ARM_FFA_SPM_RET_SUCCESS                          0
  #define ARM_FFA_SPM_RET_NOT_SUPPORTED                   -1
  #define ARM_FFA_SPM_RET_INVALID_PARAMETERS              -2
  #define ARM_FFA_SPM_RET_NO_MEMORY                       -3
  #define ARM_FFA_SPM_RET_BUSY                            -4
  #define ARM_FFA_SPM_RET_INTERRUPTED                     -5
  #define ARM_FFA_SPM_RET_DENIED                          -6
  #define ARM_FFA_SPM_RET_RETRY                           -7
  #define ARM_FFA_SPM_RET_ABORTED                         -8
  
  // For now, the destination id to be used in the FF-A calls
  // is being hard-coded. Subsequently, support will be added
  // to get the endpoint id's dynamically
  // This is the endpoint id used by the optee os's implementation
  // of the spmc.
  // https://github.com/OP-TEE/optee_os/blob/master/core/arch/arm/kernel/stmm_sp.c#L66
  #define ARM_FFA_DESTINATION_ENDPOINT_ID                  3
  
  #endif // ARM_FFA_SVC_H_
  