ArmPkg/Include/IndustryStandard/ArmFfaSvc.h

   1 /** @file
   2   Header file for FF-A ABI's that will be used for
   3   communication between S-EL0 and the Secure Partition
   4   Manager(SPM)
   5
   6   Copyright (c) 2020, ARM Limited. All rights reserved.
   7
   8   SPDX-License-Identifier: BSD-2-Clause-Patent
   9
  10   @par Revision Reference:
  11     - FF-A Version 1.0
  12
  13
  14 **/
  15
  16 #ifndef ARM_FFA_SVC_H_
  17 #define ARM_FFA_SVC_H_
  18
  19 #define ARM_SVC_ID_FFA_VERSION_AARCH32                  0x84000063
  20 #define ARM_SVC_ID_FFA_MSG_SEND_DIRECT_REQ_AARCH64      0xC400006F
  21 #define ARM_SVC_ID_FFA_MSG_SEND_DIRECT_RESP_AARCH64     0xC4000070
  22
  23 #define SPM_MAJOR_VERSION_FFA                           1
  24 #define SPM_MINOR_VERSION_FFA                           0
  25
  26 #define ARM_FFA_SPM_RET_SUCCESS                          0
  27 #define ARM_FFA_SPM_RET_NOT_SUPPORTED                   -1
  28 #define ARM_FFA_SPM_RET_INVALID_PARAMETERS              -2
  29 #define ARM_FFA_SPM_RET_NO_MEMORY                       -3
  30 #define ARM_FFA_SPM_RET_BUSY                            -4
  31 #define ARM_FFA_SPM_RET_INTERRUPTED                     -5
  32 #define ARM_FFA_SPM_RET_DENIED                          -6
  33 #define ARM_FFA_SPM_RET_RETRY                           -7
  34 #define ARM_FFA_SPM_RET_ABORTED                         -8
  35
  36 // For now, the destination id to be used in the FF-A calls
  37 // is being hard-coded. Subsequently, support will be added
  38 // to get the endpoint id's dynamically
  39 // This is the endpoint id used by the optee os's implementation
  40 // of the spmc.
  41 // https://github.com/OP-TEE/optee_os/blob/master/core/arch/arm/kernel/stmm_sp.c#L66
  42 #define ARM_FFA_DESTINATION_ENDPOINT_ID                  3
  43
  44 #endif // ARM_FFA_SVC_H_