69 lines
2.1 KiB
C
69 lines
2.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2012-2021, The Linux Foundation. All rights reserved.
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* Copyright (c) 2022-2023, Qualcomm Innovation Center, Inc. All rights reserved.
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*/
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#ifndef __QSEECOM_KERNEL_H_
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#define __QSEECOM_KERNEL_H_
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#include <linux/types.h>
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#define QSEECOM_ALIGN_SIZE 0x40
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#define QSEECOM_ALIGN_MASK (QSEECOM_ALIGN_SIZE - 1)
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#define QSEECOM_ALIGN(x) \
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((x + QSEECOM_ALIGN_MASK) & (~QSEECOM_ALIGN_MASK))
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/*
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* struct qseecom_handle -
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* Handle to the qseecom device for kernel clients
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* @dev - qseecom_dev_handle
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* @sbuf - shared buffer pointer
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* @sbbuf_len - shared buffer size
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*/
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struct qseecom_handle {
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void *dev; /* in/out */
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unsigned char *sbuf; /* in/out */
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uint32_t sbuf_len; /* in/out */
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};
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#if IS_ENABLED(CONFIG_QTI_CRYPTO_FDE)
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enum QSEECom_key_management_usage_type {
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QSEECOM_KM_USAGE_DISK_ENCRYPTION = 0x01,
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QSEECOM_KM_USAGE_FILE_ENCRYPTION = 0x02,
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QSEECOM_KM_USAGE_UFS_ICE_DISK_ENCRYPTION = 0x03,
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QSEECOM_KM_USAGE_SDCC_ICE_DISK_ENCRYPTION = 0x04,
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QSEECOM_KM_USAGE_MAX
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};
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#endif
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int qseecom_start_app(struct qseecom_handle **handle,
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char *app_name,
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uint32_t size);
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int qseecom_shutdown_app(struct qseecom_handle **handle);
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int qseecom_send_command(struct qseecom_handle *handle,
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void *send_buf, uint32_t sbuf_len,
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void *resp_buf, uint32_t rbuf_len);
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#if IS_ENABLED(CONFIG_QTI_CRYPTO_FDE)
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int qseecom_create_key_in_slot(uint8_t usage_code, uint8_t key_slot,
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const uint8_t *key_id, const uint8_t *inhash32);
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#endif
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#if IS_ENABLED(CONFIG_QSEECOM_PROXY)
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struct qseecom_drv_ops {
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int (*qseecom_send_command)(struct qseecom_handle *handle, void *send_buf,
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uint32_t sbuf_len, void *resp_buf, uint32_t rbuf_len);
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int (*qseecom_start_app)(struct qseecom_handle **handle,
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char *app_name, uint32_t size);
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int (*qseecom_shutdown_app)(struct qseecom_handle **handle);
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#if IS_ENABLED(CONFIG_QTI_CRYPTO_FDE)
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int (*qseecom_create_key_in_slot)(uint8_t usage_code, uint8_t key_slot,
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const uint8_t *key_id, const uint8_t *inhash32);
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#endif
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};
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int provide_qseecom_kernel_fun_ops(const struct qseecom_drv_ops *ops);
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#endif /* CONFIG_QSEECOM_PROXY */
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#endif /* __QSEECOM_KERNEL_H_ */
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