From 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 12:05:51 +0200 Subject: Adding upstream version 5.10.209. Signed-off-by: Daniel Baumann --- drivers/misc/sram.h | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 drivers/misc/sram.h (limited to 'drivers/misc/sram.h') diff --git a/drivers/misc/sram.h b/drivers/misc/sram.h new file mode 100644 index 000000000..9c1d21ff7 --- /dev/null +++ b/drivers/misc/sram.h @@ -0,0 +1,55 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Defines for the SRAM driver + */ +#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 */ -- cgit v1.2.3