1 /* SPDX-License-Identifier: GPL-2.0-or-later * 1
2 /*
3 * Driver for Qualcomm Secure Execution Enviro
4 * Responsible for setting up and managing QSE
5 *
6 * Copyright (C) 2023 Maximilian Luz <luzmaxim
7 */
8
9 #ifndef __QCOM_QSEECOM_H
10 #define __QCOM_QSEECOM_H
11
12 #include <linux/auxiliary_bus.h>
13 #include <linux/dma-mapping.h>
14 #include <linux/types.h>
15
16 #include <linux/firmware/qcom/qcom_scm.h>
17
18 /**
19 * struct qseecom_client - QSEECOM client devi
20 * @aux_dev: Underlying auxiliary device.
21 * @app_id: ID of the loaded application.
22 */
23 struct qseecom_client {
24 struct auxiliary_device aux_dev;
25 u32 app_id;
26 };
27
28 /**
29 * qcom_qseecom_app_send() - Send to and recei
30 * @client: The QSEECOM client associated wi
31 * @req: Request buffer sent to the app (
32 * @req_size: Size of the request buffer.
33 * @rsp: Response buffer, written to by t
34 * @rsp_size: Size of the response buffer.
35 *
36 * Sends a request to the QSEE app associated
37 * back its response. The caller must provide
38 * the request and one for the response, and f
39 * respective (app-specific) request data. The
40 * its response in the @rsp region.
41 *
42 * Note: This is a convenience wrapper around
43 * Clients should prefer to use this wrapper.
44 *
45 * Return: Zero on success, nonzero on failure
46 */
47 static inline int qcom_qseecom_app_send(struct
48 void *
49 void *
50 {
51 return qcom_scm_qseecom_app_send(clien
52 }
53
54 #endif /* __QCOM_QSEECOM_H */
55
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