mk-rootfs.sh

hc

2023-12-11 072de836f53be56a70cecf70b43ae43b7ce17376

 kernel/drivers/tee/optee/optee_private.h
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@@ -1,15 +1,6 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
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 /*
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  * Copyright (c) 2015, Linaro Limited
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- *
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- * This software is licensed under the terms of the GNU General Public
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- * License version 2, as published by the Free Software Foundation, and
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- * may be copied, distributed, and modified under those terms.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
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- *
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  */
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 #ifndef OPTEE_PRIVATE_H
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 /* Some Global Platform error codes used in this driver */
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 #define TEEC_SUCCESS			0x00000000
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 #define TEEC_ERROR_BAD_PARAMETERS	0xFFFF0006
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+#define TEEC_ERROR_NOT_SUPPORTED	0xFFFF000A
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 #define TEEC_ERROR_COMMUNICATION	0xFFFF000E
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 #define TEEC_ERROR_OUT_OF_MEMORY	0xFFFF000C
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+#define TEEC_ERROR_SHORT_BUFFER		0xFFFF0010
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 #define TEEC_ORIGIN_COMMS		0x00000002
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@@ -77,6 +70,7 @@
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  * struct optee - main service struct
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  * @supp_teedev:	supplicant device
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  * @teedev:		client device
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+ * @ctx:		driver internal TEE context
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  * @invoke_fn:		function to issue smc or hvc
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  * @call_queue:		queue of threads waiting to call @invoke_fn
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  * @wait_queue:		queue of threads from secure world waiting for a
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@@ -86,17 +80,24 @@
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  * @memremaped_shm	virtual address of memory in shared memory pool
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  * @sec_caps:		secure world capabilities defined by
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  *			OPTEE_SMC_SEC_CAP_* in optee_smc.h
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+ * @scan_bus_done	flag if device registation was already done.
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+ * @scan_bus_wq		workqueue to scan optee bus and register optee drivers
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+ * @scan_bus_work	workq to scan optee bus and register optee drivers
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  */
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 struct optee {
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 	struct tee_device *supp_teedev;
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 	struct tee_device *teedev;
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 	optee_invoke_fn *invoke_fn;
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+	struct tee_context *ctx;
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 	struct optee_call_queue call_queue;
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 	struct optee_wait_queue wait_queue;
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 	struct optee_supp supp;
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 	struct tee_shm_pool *pool;
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 	void *memremaped_shm;
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 	u32 sec_caps;
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+	bool   scan_bus_done;
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+	struct workqueue_struct *scan_bus_wq;
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+	struct work_struct scan_bus_work;
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 };
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 struct optee_session {
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 void optee_fill_pages_list(u64 *dst, struct page **pages, int num_pages,
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 			   size_t page_offset);
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+#define PTA_CMD_GET_DEVICES		0x0
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+#define PTA_CMD_GET_DEVICES_SUPP	0x1
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+int optee_enumerate_devices(u32 func);
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+void optee_unregister_devices(void);
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+
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 /*
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  * Small helpers
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  */