docs/master/_arm_ffa_svc_8h_source.html

#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_