1 files changed, 103 insertions, 0 deletions
diff --git a/services/std_svc/spmd/spmd_private.h b/services/std_svc/spmd/spmd_private.h
new file mode 100644
index 000000000..eff0dd9f2
--- /dev/null
+++ b/services/std_svc/spmd/spmd_private.h
@@ -0,0 +1,103 @@
+/*
+ * Copyright (c) 2019-2020, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef SPMD_PRIVATE_H
+#define SPMD_PRIVATE_H
+
+#include <context.h>
+
+/*******************************************************************************
+ * Constants that allow assembler code to preserve callee-saved registers of the
+ * C runtime context while performing a security state switch.
+ ******************************************************************************/
+#define SPMD_C_RT_CTX_X19		0x0
+#define SPMD_C_RT_CTX_X20		0x8
+#define SPMD_C_RT_CTX_X21		0x10
+#define SPMD_C_RT_CTX_X22		0x18
+#define SPMD_C_RT_CTX_X23		0x20
+#define SPMD_C_RT_CTX_X24		0x28
+#define SPMD_C_RT_CTX_X25		0x30
+#define SPMD_C_RT_CTX_X26		0x38
+#define SPMD_C_RT_CTX_X27		0x40
+#define SPMD_C_RT_CTX_X28		0x48
+#define SPMD_C_RT_CTX_X29		0x50
+#define SPMD_C_RT_CTX_X30		0x58
+
+#define SPMD_C_RT_CTX_SIZE		0x60
+#define SPMD_C_RT_CTX_ENTRIES		(SPMD_C_RT_CTX_SIZE >> DWORD_SHIFT)
+
+#ifndef __ASSEMBLER__
+#include <stdint.h>
+#include <lib/psci/psci_lib.h>
+#include <plat/common/platform.h>
+#include <services/ffa_svc.h>
+
+typedef enum spmc_state {
+	SPMC_STATE_RESET = 0,
+	SPMC_STATE_OFF,
+	SPMC_STATE_ON_PENDING,
+	SPMC_STATE_ON
+} spmc_state_t;
+
+typedef struct spmd_pm_secondary_ep {
+	uintptr_t entry_point;
+	uintptr_t context;
+	bool locked;
+} spmd_pm_secondary_ep_t;
+
+/*
+ * Data structure used by the SPM dispatcher (SPMD) in EL3 to track context of
+ * the SPM core (SPMC) at the next lower EL.
+ */
+typedef struct spmd_spm_core_context {
+	uint64_t c_rt_ctx;
+	cpu_context_t cpu_ctx;
+	spmc_state_t state;
+	spmd_pm_secondary_ep_t secondary_ep;
+} spmd_spm_core_context_t;
+
+/*
+ * Reserve ID for NS physical FFA Endpoint.
+ */
+#define FFA_NS_ENDPOINT_ID			U(0)
+
+/* Mask and shift to check valid secure FF-A Endpoint ID. */
+#define SPMC_SECURE_ID_MASK			U(1)
+#define SPMC_SECURE_ID_SHIFT			U(15)
+
+#define SPMD_DIRECT_MSG_ENDPOINT_ID		U(FFA_ENDPOINT_ID_MAX - 1)
+#define SPMD_DIRECT_MSG_SET_ENTRY_POINT		U(1)
+
+/* Functions used to enter/exit SPMC synchronously */
+uint64_t spmd_spm_core_sync_entry(spmd_spm_core_context_t *ctx);
+__dead2 void spmd_spm_core_sync_exit(uint64_t rc);
+
+/* Assembly helpers */
+uint64_t spmd_spm_core_enter(uint64_t *c_rt_ctx);
+void __dead2 spmd_spm_core_exit(uint64_t c_rt_ctx, uint64_t ret);
+
+/* SPMD SPD power management handlers */
+extern const spd_pm_ops_t spmd_pm;
+
+/* SPMC entry point information helper */
+entry_point_info_t *spmd_spmc_ep_info_get(void);
+
+/* SPMC ID getter */
+uint16_t spmd_spmc_id_get(void);
+
+/* SPMC context on CPU based on mpidr */
+spmd_spm_core_context_t *spmd_get_context_by_mpidr(uint64_t mpidr);
+
+/* SPMC context on current CPU get helper */
+spmd_spm_core_context_t *spmd_get_context(void);
+
+int spmd_pm_secondary_core_set_ep(unsigned long long mpidr,
+		uintptr_t entry_point, unsigned long long context);
+bool spmd_check_address_in_binary_image(uint64_t address);
+
+#endif /* __ASSEMBLER__ */
+
+#endif /* SPMD_PRIVATE_H */