core: add TEE_LOGIN_REE_KERNEL login method

Add private login method for REE kernel clients to invoke TAs. It allows a TA to distinguish among normal world clients whether its a REE kernel client or a REE user-space client. Signed-off-by: Sumit Garg <sumit.garg@linaro.org> Reviewed-by: Jerome Forissier <jerome@forissier.org>
OP-TEE · Mar 24, 2020 · 78f462f · 78f462f
1 parent 740676d
commit 78f462f
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diff --git a/core/arch/arm/tee/entry_std.c b/core/arch/arm/tee/entry_std.c
@@ -278,6 +278,7 @@ static TEE_Result get_open_session_meta(size_t num_params,
 	clnt_id->login = params[1].u.value.c;
 	switch (clnt_id->login) {
 	case TEE_LOGIN_PUBLIC:
+	case TEE_LOGIN_REE_KERNEL:
 		memset(&clnt_id->uuid, 0, sizeof(clnt_id->uuid));
 		break;
 	case TEE_LOGIN_USER:

diff --git a/lib/libutee/include/tee_api_defines_extensions.h b/lib/libutee/include/tee_api_defines_extensions.h
@@ -89,4 +89,11 @@
 #define TEE_MEMORY_ACCESS_NONSECURE          0x10000000
 #define TEE_MEMORY_ACCESS_SECURE             0x20000000
 
+/*
+ * Implementation-specific login types
+ */
+
+/* Private login method for REE kernel clients */
+#define TEE_LOGIN_REE_KERNEL		0x80000000
+
 #endif /* TEE_API_DEFINES_EXTENSIONS_H */