debug lk

hc

2024-02-20 e636c8d336489bf3eed5878299e6cc045bbad077

 kernel/drivers/tee/optee/optee_smc.h
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@@ -1,28 +1,6 @@
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+/* SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) */
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 /*
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- * Copyright (c) 2015-2016, Linaro Limited
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- * All rights reserved.
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- *
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- * Redistribution and use in source and binary forms, with or without
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- * modification, are permitted provided that the following conditions are met:
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- *
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- * 1. Redistributions of source code must retain the above copyright notice,
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- * this list of conditions and the following disclaimer.
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- *
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- * 2. Redistributions in binary form must reproduce the above copyright notice,
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- * this list of conditions and the following disclaimer in the documentation
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- * and/or other materials provided with the distribution.
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- *
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- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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- * POSSIBILITY OF SUCH DAMAGE.
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+ * Copyright (c) 2015-2019, Linaro Limited
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  */
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 #ifndef OPTEE_SMC_H
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 #define OPTEE_SMC_H
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@@ -237,6 +215,9 @@
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  */
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 #define OPTEE_SMC_SEC_CAP_DYNAMIC_SHM		BIT(2)
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+/* Secure world supports Shared Memory with a NULL buffer reference */
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+#define OPTEE_SMC_SEC_CAP_MEMREF_NULL		BIT(4)
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+
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 #define OPTEE_SMC_FUNCID_EXCHANGE_CAPABILITIES	9
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 #define OPTEE_SMC_EXCHANGE_CAPABILITIES \
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 	OPTEE_SMC_FAST_CALL_VAL(OPTEE_SMC_FUNCID_EXCHANGE_CAPABILITIES)