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| author | Ben Zong-You Xie <ben717@andestech.com> | 2025-12-29 15:19:12 +0800 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2026-02-11 12:11:06 +0530 |
| commit | 6d26b43c477a7616d1f030261430127fa6c61d27 (patch) | |
| tree | 14172ff1a148fbfc4f987b62ff3125b97c0cf806 /include/sbi_utils/cache | |
| parent | 85bff9cc163e05130899264eb6e963fc582de117 (diff) | |
| download | opensbi-6d26b43c477a7616d1f030261430127fa6c61d27.tar.gz opensbi-6d26b43c477a7616d1f030261430127fa6c61d27.tar.bz2 opensbi-6d26b43c477a7616d1f030261430127fa6c61d27.zip | |
lib: utils/cache: add cache enable function
Add functions to enable/disable the cache.
Signed-off-by: Ben Zong-You Xie <ben717@andestech.com>
Link: https://lore.kernel.org/r/20251229071914.1451587-4-ben717@andestech.com
Signed-off-by: Anup Patel <anup@brainfault.org>
Diffstat (limited to 'include/sbi_utils/cache')
| -rw-r--r-- | include/sbi_utils/cache/cache.h | 11 | ||||
| -rw-r--r-- | include/sbi_utils/cache/fdt_cmo_helper.h | 13 |
2 files changed, 24 insertions, 0 deletions
diff --git a/include/sbi_utils/cache/cache.h b/include/sbi_utils/cache/cache.h index 70d9286f..de6cf50d 100644 --- a/include/sbi_utils/cache/cache.h +++ b/include/sbi_utils/cache/cache.h @@ -19,6 +19,8 @@ struct cache_ops { int (*warm_init)(struct cache_device *dev); /** Flush entire cache **/ int (*cache_flush_all)(struct cache_device *dev); + /** Enable/Disable cache **/ + int (*cache_enable)(struct cache_device *dev, bool enable); }; struct cache_device { @@ -66,4 +68,13 @@ int cache_add(struct cache_device *dev); */ int cache_flush_all(struct cache_device *dev); +/** + * Enable/Disable the cache + * + * @param dev the cache to enable/disable + * + * @return 0 on success, or a negative error code on failure + */ +int cache_enable(struct cache_device *dev, bool enable); + #endif diff --git a/include/sbi_utils/cache/fdt_cmo_helper.h b/include/sbi_utils/cache/fdt_cmo_helper.h index a6a28db9..8b3ec89b 100644 --- a/include/sbi_utils/cache/fdt_cmo_helper.h +++ b/include/sbi_utils/cache/fdt_cmo_helper.h @@ -23,6 +23,19 @@ int fdt_cmo_private_flc_flush_all(void); int fdt_cmo_llc_flush_all(void); /** + * Enable/Disable the private first level cache of the current hart + * + * @return 0 on success, or a negative error code on failure + */ +int fdt_cmo_private_flc_enable(bool enable); + +/** + * Enable/Disable the last level cache of the current hart + * + * @return 0 on success, or a negative error code on failure + */ +int fdt_cmo_llc_enable(bool enable); +/** * Initialize the cache devices for each hart * * @param fdt devicetree blob |