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Kernel: Make self-contained locking smart pointers their own classes
Until now, our kernel has reimplemented a number of AK classes to provide automatic internal locking: - RefPtr - NonnullRefPtr - WeakPtr - Weakable This patch renames the Kernel classes so that they can coexist with the original AK classes: - RefPtr => LockRefPtr - NonnullRefPtr => NonnullLockRefPtr - WeakPtr => LockWeakPtr - Weakable => LockWeakable The goal here is to eventually get rid of the Lock* classes in favor of using external locking.
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360 changed files with 1703 additions and 1672 deletions
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@ -13,20 +13,20 @@
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#include <Kernel/Storage/NVMe/NVMePollQueue.h>
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namespace Kernel {
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ErrorOr<NonnullRefPtr<NVMeQueue>> NVMeQueue::try_create(u16 qid, Optional<u8> irq, u32 q_depth, OwnPtr<Memory::Region> cq_dma_region, NonnullRefPtrVector<Memory::PhysicalPage> cq_dma_page, OwnPtr<Memory::Region> sq_dma_region, NonnullRefPtrVector<Memory::PhysicalPage> sq_dma_page, Memory::TypedMapping<volatile DoorbellRegister> db_regs)
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ErrorOr<NonnullLockRefPtr<NVMeQueue>> NVMeQueue::try_create(u16 qid, Optional<u8> irq, u32 q_depth, OwnPtr<Memory::Region> cq_dma_region, NonnullLockRefPtrVector<Memory::PhysicalPage> cq_dma_page, OwnPtr<Memory::Region> sq_dma_region, NonnullLockRefPtrVector<Memory::PhysicalPage> sq_dma_page, Memory::TypedMapping<volatile DoorbellRegister> db_regs)
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{
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// Note: Allocate DMA region for RW operation. For now the requests don't exceed more than 4096 bytes (Storage device takes care of it)
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RefPtr<Memory::PhysicalPage> rw_dma_page;
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LockRefPtr<Memory::PhysicalPage> rw_dma_page;
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auto rw_dma_region = TRY(MM.allocate_dma_buffer_page("NVMe Queue Read/Write DMA"sv, Memory::Region::Access::ReadWrite, rw_dma_page));
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if (!irq.has_value()) {
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auto queue = TRY(adopt_nonnull_ref_or_enomem(new (nothrow) NVMePollQueue(move(rw_dma_region), *rw_dma_page, qid, q_depth, move(cq_dma_region), cq_dma_page, move(sq_dma_region), sq_dma_page, move(db_regs))));
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auto queue = TRY(adopt_nonnull_lock_ref_or_enomem(new (nothrow) NVMePollQueue(move(rw_dma_region), *rw_dma_page, qid, q_depth, move(cq_dma_region), cq_dma_page, move(sq_dma_region), sq_dma_page, move(db_regs))));
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return queue;
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}
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auto queue = TRY(adopt_nonnull_ref_or_enomem(new (nothrow) NVMeInterruptQueue(move(rw_dma_region), *rw_dma_page, qid, irq.value(), q_depth, move(cq_dma_region), cq_dma_page, move(sq_dma_region), sq_dma_page, move(db_regs))));
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auto queue = TRY(adopt_nonnull_lock_ref_or_enomem(new (nothrow) NVMeInterruptQueue(move(rw_dma_region), *rw_dma_page, qid, irq.value(), q_depth, move(cq_dma_region), cq_dma_page, move(sq_dma_region), sq_dma_page, move(db_regs))));
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return queue;
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}
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UNMAP_AFTER_INIT NVMeQueue::NVMeQueue(NonnullOwnPtr<Memory::Region> rw_dma_region, Memory::PhysicalPage const& rw_dma_page, u16 qid, u32 q_depth, OwnPtr<Memory::Region> cq_dma_region, NonnullRefPtrVector<Memory::PhysicalPage> cq_dma_page, OwnPtr<Memory::Region> sq_dma_region, NonnullRefPtrVector<Memory::PhysicalPage> sq_dma_page, Memory::TypedMapping<volatile DoorbellRegister> db_regs)
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UNMAP_AFTER_INIT NVMeQueue::NVMeQueue(NonnullOwnPtr<Memory::Region> rw_dma_region, Memory::PhysicalPage const& rw_dma_page, u16 qid, u32 q_depth, OwnPtr<Memory::Region> cq_dma_region, NonnullLockRefPtrVector<Memory::PhysicalPage> cq_dma_page, OwnPtr<Memory::Region> sq_dma_region, NonnullLockRefPtrVector<Memory::PhysicalPage> sq_dma_page, Memory::TypedMapping<volatile DoorbellRegister> db_regs)
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: m_current_request(nullptr)
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, m_rw_dma_region(move(rw_dma_region))
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, m_qid(qid)
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