]> git.proxmox.com Git - mirror_ubuntu-jammy-kernel.git/blame - drivers/misc/sram.h
Merge branch 'remotes/lorenzo/pci/tegra194'
[mirror_ubuntu-jammy-kernel.git] / drivers / misc / sram.h
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d2912cb1 1/* SPDX-License-Identifier: GPL-2.0-only */
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2/*
3 * Defines for the SRAM driver
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4 */
5#ifndef __SRAM_H
6#define __SRAM_H
7
8struct sram_partition {
9 void __iomem *base;
10
11 struct gen_pool *pool;
12 struct bin_attribute battr;
13 struct mutex lock;
14 struct list_head list;
15};
16
17struct sram_dev {
18 struct device *dev;
19 void __iomem *virt_base;
20
21 struct gen_pool *pool;
22 struct clk *clk;
23
24 struct sram_partition *partition;
25 u32 partitions;
26};
27
28struct sram_reserve {
29 struct list_head list;
30 u32 start;
31 u32 size;
32 bool export;
33 bool pool;
37afff0d 34 bool protect_exec;
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35 const char *label;
36};
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37
38#ifdef CONFIG_SRAM_EXEC
39int sram_check_protect_exec(struct sram_dev *sram, struct sram_reserve *block,
40 struct sram_partition *part);
41int sram_add_protect_exec(struct sram_partition *part);
42#else
43static inline int sram_check_protect_exec(struct sram_dev *sram,
44 struct sram_reserve *block,
45 struct sram_partition *part)
46{
47 return -ENODEV;
48}
49
50static inline int sram_add_protect_exec(struct sram_partition *part)
51{
52 return -ENODEV;
53}
54#endif /* CONFIG_SRAM_EXEC */
cdd1737c 55#endif /* __SRAM_H */