[mirror_ubuntu-bionic-kernel.git] / drivers / misc / sram.h

/*
 * Defines for the SRAM driver
 *
 * 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 __SRAM_H
#define __SRAM_H

struct sram_partition {
	void __iomem *base;

	struct gen_pool *pool;
	struct bin_attribute battr;
	struct mutex lock;
	struct list_head list;
};

struct sram_dev {
	struct device *dev;
	void __iomem *virt_base;

	struct gen_pool *pool;
	struct clk *clk;

	struct sram_partition *partition;
	u32 partitions;
};

struct sram_reserve {
	struct list_head list;
	u32 start;
	u32 size;
	bool export;
	bool pool;
	bool protect_exec;
	const char *label;
};

#ifdef CONFIG_SRAM_EXEC
int sram_check_protect_exec(struct sram_dev *sram, struct sram_reserve *block,
			    struct sram_partition *part);
int sram_add_protect_exec(struct sram_partition *part);
#else
static inline int sram_check_protect_exec(struct sram_dev *sram,
					  struct sram_reserve *block,
					  struct sram_partition *part)
{
	return -ENODEV;
}

static inline int sram_add_protect_exec(struct sram_partition *part)
{
	return -ENODEV;
}
#endif /* CONFIG_SRAM_EXEC */
#endif /* __SRAM_H */
Commit	Line	Data
cdd1737c DG	1	/*
	2	* Defines for the SRAM driver
	3	*
	4	* This program is free software; you can redistribute it and/or modify
	5	* it under the terms of the GNU General Public License version 2 as
	6	* published by the Free Software Foundation.
	7	*/
	8	#ifndef __SRAM_H
	9	#define __SRAM_H
	10
	11	struct sram_partition {
	12	void __iomem *base;
	13
	14	struct gen_pool *pool;
	15	struct bin_attribute battr;
	16	struct mutex lock;
	17	struct list_head list;
	18	};
	19
	20	struct sram_dev {
	21	struct device *dev;
	22	void __iomem *virt_base;
	23
	24	struct gen_pool *pool;
	25	struct clk *clk;
	26
	27	struct sram_partition *partition;
	28	u32 partitions;
	29	};
	30
	31	struct sram_reserve {
	32	struct list_head list;
	33	u32 start;
	34	u32 size;
	35	bool export;
	36	bool pool;
37afff0d	37	bool protect_exec;
cdd1737c DG	38	const char *label;
cdd1737c DG	39	};
728bbe75 DG	40
	41	#ifdef CONFIG_SRAM_EXEC
	42	int sram_check_protect_exec(struct sram_dev sram, struct sram_reserve block,
	43	struct sram_partition *part);
	44	int sram_add_protect_exec(struct sram_partition *part);
	45	#else
	46	static inline int sram_check_protect_exec(struct sram_dev *sram,
	47	struct sram_reserve *block,
	48	struct sram_partition *part)
	49	{
	50	return -ENODEV;
	51	}
	52
	53	static inline int sram_add_protect_exec(struct sram_partition *part)
	54	{
	55	return -ENODEV;
	56	}
	57	#endif /* CONFIG_SRAM_EXEC */
cdd1737c	58	#endif /* __SRAM_H */