android_kernel_samsung_sm8650_ksu/include/linux/qseecom_kernel.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (c) 2022, Qualcomm Innovation Center, Inc. All rights reserved.
 */

#ifndef __QSEECOM_KERNEL_H_
#define __QSEECOM_KERNEL_H_

#include <linux/types.h>


#define QSEECOM_ALIGN_SIZE	0x40
#define QSEECOM_ALIGN_MASK	(QSEECOM_ALIGN_SIZE - 1)
#define QSEECOM_ALIGN(x)	\
	((x + QSEECOM_ALIGN_MASK) & (~QSEECOM_ALIGN_MASK))

/*
 * struct qseecom_handle -
 *      Handle to the qseecom device for kernel clients
 * @dev  - qseecom_dev_handle
 * @sbuf - shared buffer pointer
 * @sbbuf_len - shared buffer size
 */
struct qseecom_handle {
	void *dev; /* in/out */
	unsigned char *sbuf; /* in/out */
	uint32_t sbuf_len; /* in/out */
};

int qseecom_start_app(struct qseecom_handle **handle,
			char *app_name,
			uint32_t size);
int qseecom_shutdown_app(struct qseecom_handle **handle);
int qseecom_send_command(struct qseecom_handle *handle,
			void *send_buf, uint32_t sbuf_len,
			void *resp_buf, uint32_t rbuf_len);

#if IS_ENABLED(CONFIG_QSEECOM_PROXY)
struct qseecom_drv_ops {
	int (*qseecom_send_command)(struct qseecom_handle *handle, void *send_buf,
				uint32_t sbuf_len, void *resp_buf, uint32_t rbuf_len);
	int (*qseecom_start_app)(struct qseecom_handle **handle,
				char *app_name, uint32_t size);
	int (*qseecom_shutdown_app)(struct qseecom_handle **handle);
};

int provide_qseecom_kernel_fun_ops(const struct qseecom_drv_ops *ops);
#endif

#endif /* __QSEECOM_KERNEL_H_ */