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https://github.com/riscv-software-src/opensbi.git
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6d26b43c47
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>
58 lines
946 B
C
58 lines
946 B
C
/*
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2025 SiFive Inc.
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*/
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#include <sbi/sbi_error.h>
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#include <sbi_utils/cache/cache.h>
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static SBI_LIST_HEAD(cache_list);
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struct cache_device *cache_find(u32 id)
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{
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struct cache_device *dev;
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sbi_list_for_each_entry(dev, &cache_list, node) {
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if (dev->id == id)
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return dev;
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}
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return NULL;
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}
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int cache_add(struct cache_device *dev)
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{
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if (!dev)
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return SBI_ENODEV;
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if (cache_find(dev->id))
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return SBI_EALREADY;
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sbi_list_add(&dev->node, &cache_list);
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return SBI_OK;
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}
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int cache_flush_all(struct cache_device *dev)
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{
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if (!dev)
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return SBI_ENODEV;
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if (!dev->ops || !dev->ops->cache_flush_all)
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return SBI_ENOTSUPP;
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return dev->ops->cache_flush_all(dev);
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}
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int cache_enable(struct cache_device *dev, bool enable)
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{
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if (!dev)
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return SBI_ENODEV;
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if (!dev->ops || !dev->ops->cache_enable)
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return SBI_ENOTSUPP;
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return dev->ops->cache_enable(dev, enable);
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}
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