meta-arm/meta-arm-bsp/recipes-security/trusted-services/secure-partitions/corstone1000/0013-Use-secure-storage-ipc-and-openamp-for-se_proxy.patch

From 12b8b8bb28c96e6f121122939b7d23e6c7055f0f Mon Sep 17 00:00:00 2001
From: Vishnu Banavath <vishnu.banavath@arm.com>
Date: Fri, 3 Dec 2021 19:25:34 +0000
Subject: [PATCH] Use secure storage ipc and openamp for se_proxy

Remove mock up backend for secure storage in se proxy
deployment and use instead the secure storage ipc backend with
openamp as rpc to secure enclave side.

Signed-off-by: Rui Miguel Silva <rui.silva@arm.com>

Upstream-Status: Pending [Not submitted to upstream yet]
Signed-off-by: Vishnu Banavath <vishnu.banavath@arm.com>


---
 .../se-proxy/opteesp/service_proxy_factory.c     | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/deployments/se-proxy/opteesp/service_proxy_factory.c b/deployments/se-proxy/opteesp/service_proxy_factory.c
index acfb6e88..57290056 100644
--- a/deployments/se-proxy/opteesp/service_proxy_factory.c
+++ b/deployments/se-proxy/opteesp/service_proxy_factory.c
@@ -6,15 +6,20 @@
 
 #include <stddef.h>
 #include <rpc/common/endpoint/rpc_interface.h>
+#include <rpc/openamp/caller/sp/openamp_caller.h>
 #include <service/attestation/provider/attest_provider.h>
 #include <service/attestation/provider/serializer/packed-c/packedc_attest_provider_serializer.h>
 #include <service/crypto/factory/crypto_provider_factory.h>
 #include <service/secure_storage/frontend/secure_storage_provider/secure_storage_provider.h>
+#include <trace.h>
 
 /* Stub backends */
 #include <service/crypto/backend/stub/stub_crypto_backend.h>
+#include <service/secure_storage/backend/secure_storage_ipc/secure_storage_ipc.h>
 #include <service/secure_storage/backend/mock_store/mock_store.h>
 
+struct openamp_caller openamp;
+
 struct rpc_interface *attest_proxy_create(void)
 {
 	struct rpc_interface *attest_iface;
@@ -47,10 +52,15 @@ struct rpc_interface *crypto_proxy_create(void)
 
 struct rpc_interface *ps_proxy_create(void)
 {
-	static struct mock_store ps_backend;
 	static struct secure_storage_provider ps_provider;
-
-	struct storage_backend *backend = mock_store_init(&ps_backend);
+	static struct secure_storage_ipc ps_backend;
+	static struct rpc_caller *storage_caller;
+	struct storage_backend *backend;
+
+	storage_caller = openamp_caller_init(&openamp);
+	if (!storage_caller)
+		return NULL;
+	backend = secure_storage_ipc_init(&ps_backend, &openamp.rpc_caller);
 
 	return secure_storage_provider_init(&ps_provider, backend);
 }