fix(doc): document missing RMM-EL3 runtime services

This patch adds documentation for the missing RMM-EL3
runtime services:

* RMM_RMI_REQ_COMPLETE
* RMM_GTSI_DELEGATE
* RMM_GTSI_UNDELEGATE

This patch also fixes a couple of minor bugs on return codes
for delegate/undelegate internal APIs.

Signed-off-by: Javier Almansa Sobrino <javier.almansasobrino@arm.com>
Change-Id: Ic721005e7851e838eebaee7865ba78fadc3309e4
diff --git a/services/std_svc/rmmd/rmmd_main.c b/services/std_svc/rmmd/rmmd_main.c
index 322d9f2..7cb76de 100644
--- a/services/std_svc/rmmd/rmmd_main.c
+++ b/services/std_svc/rmmd/rmmd_main.c
@@ -311,7 +311,7 @@
 	}
 
 	switch (smc_fid) {
-	case RMMD_RMI_REQ_COMPLETE:
+	case RMM_RMI_REQ_COMPLETE:
 		return rmmd_smc_forward(REALM, NON_SECURE, x1,
 					x2, x3, x4, 0, handle);
 
@@ -419,16 +419,16 @@
 	}
 
 	switch (smc_fid) {
-	case RMMD_GTSI_DELEGATE:
+	case RMM_GTSI_DELEGATE:
 		ret = gpt_delegate_pas(x1, PAGE_SIZE_4KB, SMC_FROM_REALM);
 		SMC_RET1(handle, gpt_to_gts_error(ret, smc_fid, x1));
-	case RMMD_GTSI_UNDELEGATE:
+	case RMM_GTSI_UNDELEGATE:
 		ret = gpt_undelegate_pas(x1, PAGE_SIZE_4KB, SMC_FROM_REALM);
 		SMC_RET1(handle, gpt_to_gts_error(ret, smc_fid, x1));
-	case RMMD_ATTEST_GET_PLAT_TOKEN:
+	case RMM_ATTEST_GET_PLAT_TOKEN:
 		ret = rmmd_attest_get_platform_token(x1, &x2, x3);
 		SMC_RET2(handle, ret, x2);
-	case RMMD_ATTEST_GET_REALM_KEY:
+	case RMM_ATTEST_GET_REALM_KEY:
 		ret = rmmd_attest_get_signing_key(x1, &x2, x3);
 		SMC_RET2(handle, ret, x2);
 
diff --git a/services/std_svc/rmmd/trp/trp_main.c b/services/std_svc/rmmd/trp/trp_main.c
index cf6ec7b..5a56af0 100644
--- a/services/std_svc/rmmd/trp/trp_main.c
+++ b/services/std_svc/rmmd/trp/trp_main.c
@@ -93,7 +93,7 @@
 {
 	VERBOSE("RMM version is %u.%u\n", RMI_ABI_VERSION_MAJOR,
 					  RMI_ABI_VERSION_MINOR);
-	return set_smc_args(RMMD_RMI_REQ_COMPLETE, RMI_ABI_VERSION,
+	return set_smc_args(RMM_RMI_REQ_COMPLETE, RMI_ABI_VERSION,
 			    0, 0, 0, 0, 0, 0);
 }
 
@@ -105,13 +105,13 @@
 	unsigned long long ret;
 
 	VERBOSE("Delegating granule 0x%llx\n", x1);
-	ret = trp_smc(set_smc_args(RMMD_GTSI_DELEGATE, x1, 0, 0, 0, 0, 0, 0));
+	ret = trp_smc(set_smc_args(RMM_GTSI_DELEGATE, x1, 0, 0, 0, 0, 0, 0));
 
 	if (ret != 0ULL) {
 		ERROR("Granule transition from NON-SECURE type to REALM type "
 			"failed 0x%llx\n", ret);
 	}
-	return set_smc_args(RMMD_RMI_REQ_COMPLETE, ret, 0, 0, 0, 0, 0, 0);
+	return set_smc_args(RMM_RMI_REQ_COMPLETE, ret, 0, 0, 0, 0, 0, 0);
 }
 
 /*******************************************************************************
@@ -122,13 +122,13 @@
 	unsigned long long ret;
 
 	VERBOSE("Undelegating granule 0x%llx\n", x1);
-	ret = trp_smc(set_smc_args(RMMD_GTSI_UNDELEGATE, x1, 0, 0, 0, 0, 0, 0));
+	ret = trp_smc(set_smc_args(RMM_GTSI_UNDELEGATE, x1, 0, 0, 0, 0, 0, 0));
 
 	if (ret != 0ULL) {
 		ERROR("Granule transition from REALM type to NON-SECURE type "
 			"failed 0x%llx\n", ret);
 	}
-	return set_smc_args(RMMD_RMI_REQ_COMPLETE, ret, 0, 0, 0, 0, 0, 0);
+	return set_smc_args(RMM_RMI_REQ_COMPLETE, ret, 0, 0, 0, 0, 0, 0);
 }
 
 /*******************************************************************************