1 files changed, 85 insertions, 0 deletions
diff --git a/include/lib/smccc_v2.h b/include/lib/smccc_v2.h
new file mode 100644
index 00000000..628c160f
--- /dev/null
+++ b/include/lib/smccc_v2.h
@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2016-2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef SMCCC_V2_H
+#define SMCCC_V2_H
+
+#ifndef __SMCCC_H__
+#error "This file must only be included from smccc.h"
+#endif
+
+/*******************************************************************************
+ * Bit definitions inside the function id as per the SMC calling convention
+ ******************************************************************************/
+#define FUNCID_TYPE_SHIFT		U(31)
+#define FUNCID_TYPE_MASK		U(0x1)
+#define FUNCID_TYPE_WIDTH		U(1)
+
+#define FUNCID_CC_SHIFT			U(30)
+#define FUNCID_CC_MASK			U(0x1)
+#define FUNCID_CC_WIDTH			U(1)
+
+#define FUNCID_NAMESPACE_SHIFT		U(28)
+#define FUNCID_NAMESPACE_MASK		U(0x3)
+#define FUNCID_NAMESPACE_WIDTH		U(2)
+
+#define FUNCID_OEN_SHIFT		U(24)
+#define FUNCID_OEN_MASK			U(0xf)
+#define FUNCID_OEN_WIDTH		U(4)
+
+#define FUNCID_NUM_SHIFT		U(0)
+#define FUNCID_NUM_MASK			U(0xffff)
+#define FUNCID_NUM_WIDTH		U(16)
+
+#define GET_SMC_TYPE(id)		(((id) >> FUNCID_TYPE_SHIFT) & \
+					 FUNCID_TYPE_MASK)
+#define GET_SMC_CC(id)			(((id) >> FUNCID_CC_SHIFT) & \
+					 FUNCID_CC_MASK)
+#define GET_SMC_NAMESPACE(id)		(((id) >> FUNCID_NAMESPACE_SHIFT) & \
+					 FUNCID_NAMESPACE_MASK)
+#define GET_SMC_OEN(id)			(((id) >> FUNCID_OEN_SHIFT) & \
+					 FUNCID_OEN_MASK)
+
+/*******************************************************************************
+ * Owning entity number definitions inside the function id as per the SMC
+ * calling convention
+ ******************************************************************************/
+#define OEN_ARM_START			U(0)
+#define OEN_ARM_END			U(0)
+#define OEN_CPU_START			U(1)
+#define OEN_CPU_END			U(1)
+#define OEN_SIP_START			U(2)
+#define OEN_SIP_END			U(2)
+#define OEN_OEM_START			U(3)
+#define OEN_OEM_END			U(3)
+#define OEN_STD_START			U(4)	/* Standard Service Calls */
+#define OEN_STD_END			U(4)
+#define OEN_STD_HYP_START		U(5)	/* Standard Hypervisor Service calls */
+#define OEN_STD_HYP_END			U(5)
+#define OEN_VEN_HYP_START		U(6)	/* Vendor Hypervisor Service calls */
+#define OEN_VEN_HYP_END			U(6)
+#define OEN_LIMIT			U(16)
+
+/*******************************************************************************
+ * Service namespaces as per the SMC Calling Convention v2.X
+ ******************************************************************************/
+#define FUNCID_NAMESPACE_START		U(0)
+#define FUNCID_NAMESPACE_COMPAT		U(0)
+#define FUNCID_NAMESPACE_VENDOR		U(1)
+#define FUNCID_NAMESPACE_SPRT		U(2)
+#define FUNCID_NAMESPACE_SPCI		U(3)
+#define FUNCID_NAMESPACE_LIMIT		U(4)
+
+/* Flags and error codes */
+#define SMC_64				U(1)
+#define SMC_32				U(0)
+
+#define SMC_TYPE_FAST			ULL(1)
+
+#define SMC_OK				ULL(0)
+#define SMC_UNK				-1
+
+#endif /* SMCCC_V2_H */