68 lines
1.7 KiB
C
Executable File
68 lines
1.7 KiB
C
Executable File
/* include/soc/samsung/secmem.h
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*
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* Copyright (c) 2015 Samsung Electronics Co., Ltd.
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* http://www.samsung.com
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*
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* EXYNOS - Secure memory support
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __ASM_ARCH_SECMEM_H
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#define __ASM_ARCH_SECMEM_H __FILE__
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#define MAX_NAME_LEN 20
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struct secchunk_info {
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int index;
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char name[MAX_NAME_LEN];
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phys_addr_t base;
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size_t size;
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};
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#if defined(CONFIG_ION)
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struct secfd_info {
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int fd;
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unsigned long phys;
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};
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#endif
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struct secmem_crypto_driver_ftn {
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int (*lock) (void);
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int (*release) (void);
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};
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struct secmem_region {
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char *virt_addr;
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unsigned long phys_addr;
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unsigned long len;
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};
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#if defined(CONFIG_EXYNOS_CONTENT_PATH_PROTECTION)
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void secmem_crypto_register(struct secmem_crypto_driver_ftn *ftn);
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void secmem_crypto_deregister(void);
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#else
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#define secmem_crypto_register(ftn)
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#define secmem_crypto_deregister()
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#endif
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int drm_gsc_enable_locked(bool enable);
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#define SECMEM_IOC_CHUNKINFO _IOWR('S', 1, struct secchunk_info)
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#define SECMEM_IOC_SET_DRM_ONOFF _IOWR('S', 2, int)
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#define SECMEM_IOC_GET_DRM_ONOFF _IOWR('S', 3, int)
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#define SECMEM_IOC_GET_CRYPTO_LOCK _IOR('S', 4, int)
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#define SECMEM_IOC_RELEASE_CRYPTO_LOCK _IOR('S', 5, int)
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#if defined(CONFIG_ION)
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#define SECMEM_IOC_GET_FD_PHYS_ADDR _IOWR('S', 8, struct secfd_info)
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#endif
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#define SECMEM_IOC_GET_CHUNK_NUM _IOWR('S', 9, int)
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#define SECMEM_IOC_SET_TZPC _IOWR('S', 11, struct protect_info)
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#define SECMEM_IOC_SET_PROTECT _IOWR('S', 12, int)
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#define SECMEM_IOC_SET_VIDEO_EXT_PROC _IOWR('S', 13, int)
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#define SECMEM_IOC_GET_DRM_PROT_VER _IOWR('S', 14, int)
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#endif /* __ASM_ARCH_SECMEM_H */
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