LXR linux/drivers/misc/sram.h

   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
  11struct 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
  20struct 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
  31struct sram_reserve {
  32        struct list_head list;
  33        u32 start;
  34        u32 size;
  35        bool export;
  36        bool pool;
  37        bool protect_exec;
  38        const char *label;
  39};
  40
  41#ifdef CONFIG_SRAM_EXEC
  42int sram_check_protect_exec(struct sram_dev *sram, struct sram_reserve *block,
  43                            struct sram_partition *part);
  44int sram_add_protect_exec(struct sram_partition *part);
  45#else
  46static 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
  53static inline int sram_add_protect_exec(struct sram_partition *part)
  54{
  55        return -ENODEV;
  56}
  57#endif /* CONFIG_SRAM_EXEC */
  58#endif /* __SRAM_H */
  59