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authorr.tyminski <r.tyminski@partner.samsung.com>2017-05-29 11:42:10 +0200
committerr.tyminski <r.tyminski@partner.samsung.com>2017-05-29 11:49:50 +0200
commitf9a43781767007462965b21f3f518c4cfc0744c7 (patch)
tree201509439b1d9798256227794dae6774345adf43 /core/arch/arm/include/kernel/pseudo_ta.h
parent1fed20f5471aa0dad5e4b4f79d1f2843ac88734f (diff)
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Initial commit with upstream sources
Change-Id: Ie9460111f21fc955102fd8732a0173b2d0499a4a
Diffstat (limited to 'core/arch/arm/include/kernel/pseudo_ta.h')
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+/*
+ * Copyright (c) 2015, Linaro Limited
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef KERNEL_PSEUDO_TA_H
+#define KERNEL_PSEUDO_TA_H
+
+#include <assert.h>
+#include <compiler.h>
+#include <kernel/tee_ta_manager.h>
+#include <tee_api_types.h>
+#include <user_ta_header.h>
+#include <util.h>
+
+#define PTA_MANDATORY_FLAGS (TA_FLAG_SINGLE_INSTANCE | \
+ TA_FLAG_MULTI_SESSION | \
+ TA_FLAG_INSTANCE_KEEP_ALIVE)
+
+#define PTA_ALLOWED_FLAGS PTA_MANDATORY_FLAGS
+#define PTA_DEFAULT_FLAGS PTA_MANDATORY_FLAGS
+
+struct pseudo_ta_head {
+ TEE_UUID uuid;
+ const char *name;
+ uint32_t flags;
+
+ TEE_Result (*create_entry_point)(void);
+ void (*destroy_entry_point)(void);
+ TEE_Result (*open_session_entry_point)(uint32_t nParamTypes,
+ TEE_Param pParams[TEE_NUM_PARAMS],
+ void **ppSessionContext);
+ void (*close_session_entry_point)(void *pSessionContext);
+ TEE_Result (*invoke_command_entry_point)(void *pSessionContext,
+ uint32_t nCommandID, uint32_t nParamTypes,
+ TEE_Param pParams[TEE_NUM_PARAMS]);
+};
+
+#define pseudo_ta_register(...) static const struct pseudo_ta_head __head \
+ __used __section("ta_head_section") = { __VA_ARGS__ }
+
+
+struct pseudo_ta_ctx {
+ const struct pseudo_ta_head *pseudo_ta;
+ struct tee_ta_ctx ctx;
+};
+
+static inline bool is_pseudo_ta_ctx(struct tee_ta_ctx *ctx)
+{
+ return !(ctx->flags & TA_FLAG_USER_MODE);
+}
+
+static inline struct pseudo_ta_ctx *to_pseudo_ta_ctx(struct tee_ta_ctx *ctx)
+{
+ assert(is_pseudo_ta_ctx(ctx));
+ return container_of(ctx, struct pseudo_ta_ctx, ctx);
+}
+
+TEE_Result tee_ta_init_pseudo_ta_session(const TEE_UUID *uuid,
+ struct tee_ta_session *s);
+
+#endif /* KERNEL_PSEUDO_TA_H */
+