/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Defines for the SRAM driver
 */
#ifndef __SRAM_H
#define __SRAM_H

struct sram_config {
        int (*init)(void);
        bool map_only_reserved;
};

struct sram_partition {
        void __iomem *base;

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

struct sram_dev {
        const struct sram_config *config;

        struct device *dev;
        void __iomem *virt_base;
        bool no_memory_wc;

        struct gen_pool *pool;

        struct sram_partition *partition;
        u32 partitions;
};

struct sram_reserve {
        struct list_head list;
        u32 start;
        u32 size;
        struct resource res;
        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 */