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/* linux/arch/arm/mach-exynos/include/mach/secmem.h
*
* Copyright (c) 2011 Samsung Electronics Co., Ltd.
* http://www.samsung.com
*
* EXYNOS - Secure memory support
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __ASM_ARCH_SECMEM_H
#define __ASM_ARCH_SECMEM_H __FILE__
#include <linux/miscdevice.h>
#if defined(CONFIG_ION)
#include <linux/ion.h>
#endif
struct secchunk_info {
int index;
phys_addr_t base;
size_t size;
};
struct secmem_fd_info {
uint32_t phys_addr;
size_t size;
};
struct secmem_fd_list {
struct secmem_fd_list *next;
struct secmem_fd_list *prev;
struct secmem_fd_info fdinfo;
};
extern struct miscdevice secmem;
#if defined(CONFIG_ION)
struct secfd_info {
int fd;
ion_phys_addr_t phys;
};
#endif
struct secmem_crypto_driver_ftn {
int (*lock) (void);
int (*release) (void);
};
struct secmem_region {
char *virt_addr;
dma_addr_t phys_addr;
unsigned long len;
};
#if defined(CONFIG_CPU_EXYNOS4212) || defined(CONFIG_CPU_EXYNOS4412) || \
defined(CONFIG_CPU_EXYNOS5250)
void secmem_crypto_register(struct secmem_crypto_driver_ftn *ftn);
void secmem_crypto_deregister(void);
#else
#define secmem_crypto_register(ftn)
#define secmem_crypto_deregister()
#endif
#define SECMEM_IOC_CHUNKINFO _IOWR('S', 1, struct secchunk_info)
#define SECMEM_IOC_SET_DRM_ONOFF _IOWR('S', 2, int)
#define SECMEM_IOC_GET_DRM_ONOFF _IOWR('S', 3, int)
#define SECMEM_IOC_GET_CRYPTO_LOCK _IOR('S', 4, int)
#define SECMEM_IOC_RELEASE_CRYPTO_LOCK _IOR('S', 5, int)
#define SECMEM_IOC_GET_ADDR _IOWR('S', 6, int)
#define SECMEM_IOC_RELEASE_ADDR _IOWR('S', 7, int)
#if defined(CONFIG_CPU_EXYNOS5250)
#define SECMEM_IOC_GET_FD_PHYS_ADDR _IOWR('S', 8, int)
#endif
#define SECMEM_IOC_MFC_MAGIC_KEY _IOWR('S', 9, int)
#define SECMEM_IOC_TEXT_CHUNKINFO _IOWR('S', 10, struct secchunk_info)
#endif /* __ASM_ARCH_SECMEM_H */
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