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-rw-r--r--include/services/spm_mm_svc.h114
1 files changed, 114 insertions, 0 deletions
diff --git a/include/services/spm_mm_svc.h b/include/services/spm_mm_svc.h
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+++ b/include/services/spm_mm_svc.h
@@ -0,0 +1,114 @@
+/*
+ * Copyright (c) 2017-2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef SPM_MM_SVC_H
+#define SPM_MM_SVC_H
+
+#include <lib/utils_def.h>
+
+/*
+ * The MM_VERSION_XXX definitions are used when responding to the
+ * MM_VERSION_AARCH32 service request. The version returned is different between
+ * this request and the SPM_MM_VERSION_AARCH32 request - both have been retained
+ * for compatibility.
+ */
+#define MM_VERSION_MAJOR U(1)
+#define MM_VERSION_MAJOR_SHIFT 16
+#define MM_VERSION_MAJOR_MASK U(0x7FFF)
+#define MM_VERSION_MINOR U(0)
+#define MM_VERSION_MINOR_SHIFT 0
+#define MM_VERSION_MINOR_MASK U(0xFFFF)
+#define MM_VERSION_FORM(major, minor) ((major << MM_VERSION_MAJOR_SHIFT) | \
+ (minor))
+#define MM_VERSION_COMPILED MM_VERSION_FORM(MM_VERSION_MAJOR, \
+ MM_VERSION_MINOR)
+
+#define SPM_MM_VERSION_MAJOR U(0)
+#define SPM_MM_VERSION_MAJOR_SHIFT 16
+#define SPM_MM_VERSION_MAJOR_MASK U(0x7FFF)
+#define SPM_MM_VERSION_MINOR U(1)
+#define SPM_MM_VERSION_MINOR_SHIFT 0
+#define SPM_MM_VERSION_MINOR_MASK U(0xFFFF)
+#define SPM_MM_VERSION_FORM(major, minor) ((major << \
+ SPM_MM_VERSION_MAJOR_SHIFT) | \
+ (minor))
+#define SPM_MM_VERSION_COMPILED SPM_MM_VERSION_FORM(SPM_MM_VERSION_MAJOR, \
+ SPM_MM_VERSION_MINOR)
+
+/* These macros are used to identify SPM-MM calls using the SMC function ID */
+#define SPM_MM_FID_MASK U(0xffff)
+#define SPM_MM_FID_MIN_VALUE U(0x40)
+#define SPM_MM_FID_MAX_VALUE U(0x7f)
+#define is_spm_mm_fid(_fid) \
+ ((((_fid) & SPM_MM_FID_MASK) >= SPM_MM_FID_MIN_VALUE) && \
+ (((_fid) & SPM_MM_FID_MASK) <= SPM_MM_FID_MAX_VALUE))
+
+/*
+ * SMC IDs defined in [1] for accessing MM services from the Non-secure world.
+ * These FIDs occupy the range 0x40 - 0x5f.
+ * [1] DEN0060A_ARM_MM_Interface_Specification.pdf
+ */
+#define MM_VERSION_AARCH32 U(0x84000040)
+#define MM_COMMUNICATE_AARCH64 U(0xC4000041)
+#define MM_COMMUNICATE_AARCH32 U(0x84000041)
+
+/*
+ * SMC IDs defined for accessing services implemented by the Secure Partition
+ * Manager from the Secure Partition(s). These services enable a partition to
+ * handle delegated events and request privileged operations from the manager.
+ * They occupy the range 0x60-0x7f.
+ */
+#define SPM_MM_VERSION_AARCH32 U(0x84000060)
+#define MM_SP_EVENT_COMPLETE_AARCH64 U(0xC4000061)
+#define MM_SP_MEMORY_ATTRIBUTES_GET_AARCH64 U(0xC4000064)
+#define MM_SP_MEMORY_ATTRIBUTES_SET_AARCH64 U(0xC4000065)
+
+/*
+ * Macros used by MM_SP_MEMORY_ATTRIBUTES_SET_AARCH64.
+ */
+
+#define MM_SP_MEMORY_ATTRIBUTES_ACCESS_NOACCESS U(0)
+#define MM_SP_MEMORY_ATTRIBUTES_ACCESS_RW U(1)
+/* Value U(2) is reserved. */
+#define MM_SP_MEMORY_ATTRIBUTES_ACCESS_RO U(3)
+#define MM_SP_MEMORY_ATTRIBUTES_ACCESS_MASK U(3)
+#define MM_SP_MEMORY_ATTRIBUTES_ACCESS_SHIFT 0
+
+#define MM_SP_MEMORY_ATTRIBUTES_EXEC (U(0) << 2)
+#define MM_SP_MEMORY_ATTRIBUTES_NON_EXEC (U(1) << 2)
+
+
+/* SPM error codes. */
+#define SPM_MM_SUCCESS 0
+#define SPM_MM_NOT_SUPPORTED -1
+#define SPM_MM_INVALID_PARAMETER -2
+#define SPM_MM_DENIED -3
+#define SPM_MM_NO_MEMORY -5
+
+#ifndef __ASSEMBLER__
+
+#include <stdint.h>
+
+int32_t spm_mm_setup(void);
+
+uint64_t spm_mm_smc_handler(uint32_t smc_fid,
+ uint64_t x1,
+ uint64_t x2,
+ uint64_t x3,
+ uint64_t x4,
+ void *cookie,
+ void *handle,
+ uint64_t flags);
+
+/* Helper to enter a secure partition */
+uint64_t spm_mm_sp_call(uint32_t smc_fid,
+ uint64_t x1,
+ uint64_t x2,
+ uint64_t x3);
+
+#endif /* __ASSEMBLER__ */
+
+#endif /* SPM_MM_SVC_H */