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-rw-r--r--lib/utils/cache/cache.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/lib/utils/cache/cache.c b/lib/utils/cache/cache.c
new file mode 100644
index 00000000..6bc3d10e
--- /dev/null
+++ b/lib/utils/cache/cache.c
@@ -0,0 +1,46 @@
+/*
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2025 SiFive Inc.
+ */
+
+#include <sbi/sbi_error.h>
+#include <sbi_utils/cache/cache.h>
+
+static SBI_LIST_HEAD(cache_list);
+
+struct cache_device *cache_find(u32 id)
+{
+ struct cache_device *dev;
+
+ sbi_list_for_each_entry(dev, &cache_list, node) {
+ if (dev->id == id)
+ return dev;
+ }
+
+ return NULL;
+}
+
+int cache_add(struct cache_device *dev)
+{
+ if (!dev)
+ return SBI_ENODEV;
+
+ if (cache_find(dev->id))
+ return SBI_EALREADY;
+
+ sbi_list_add(&dev->node, &cache_list);
+
+ return SBI_OK;
+}
+
+int cache_flush_all(struct cache_device *dev)
+{
+ if (!dev)
+ return SBI_ENODEV;
+
+ if (!dev->ops || !dev->ops->cache_flush_all)
+ return SBI_ENOTSUPP;
+
+ return dev->ops->cache_flush_all(dev);
+}