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1682f0b760
SPDX License Identifiers are a more compact / standardized way of representing file license information. See: https://spdx.dev/resources/use/#identifiers This was done with the `ambr` search and replace tool. ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
35 lines
802 B
C++
35 lines
802 B
C++
/*
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* Copyright (c) 2021, the SerenityOS developers.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Vector.h>
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#include <Kernel/PhysicalAddress.h>
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#include <Kernel/VM/MemoryManager.h>
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namespace Kernel {
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class ScatterGatherList {
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struct ScatterGatherEntry {
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FlatPtr page_base;
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size_t offset;
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size_t length;
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};
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public:
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static ScatterGatherList create_from_buffer(const u8* buffer, size_t);
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static ScatterGatherList create_from_physical(PhysicalAddress, size_t);
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void add_entry(FlatPtr, size_t offset, size_t size);
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[[nodiscard]] size_t length() const { return m_entries.size(); }
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void for_each_entry(Function<void(const FlatPtr, const size_t)> callback) const;
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private:
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Vector<ScatterGatherEntry> m_entries;
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};
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}
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