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https://github.com/RGBCube/serenity
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AK+Kernel: Add AK::AtomicRefCounted and use everywhere in the kernel
Instead of having two separate implementations of AK::RefCounted, one for userspace and one for kernelspace, there is now RefCounted and AtomicRefCounted.
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45 changed files with 81 additions and 94 deletions
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@ -6,10 +6,10 @@
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#pragma once
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#include <AK/AtomicRefCounted.h>
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#include <AK/NonnullRefPtr.h>
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#include <AK/NonnullRefPtrVector.h>
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#include <AK/OwnPtr.h>
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#include <AK/RefCounted.h>
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#include <AK/RefPtr.h>
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#include <AK/Types.h>
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#include <Kernel/Bus/PCI/Device.h>
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@ -27,9 +27,9 @@ struct DoorbellRegister {
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};
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class AsyncBlockDeviceRequest;
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class NVMeQueue : public RefCounted<NVMeQueue> {
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class NVMeQueue : public AtomicRefCounted<NVMeQueue> {
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public:
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static ErrorOr<NonnullRefPtr<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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static ErrorOr<NonnullRefPtr<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<DoorbellRegister volatile> db_regs);
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bool is_admin_queue() { return m_admin_queue; };
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u16 submit_sync_sqe(NVMeSubmission&);
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void read(AsyncBlockDeviceRequest& request, u16 nsid, u64 index, u32 count);
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@ -43,7 +43,7 @@ protected:
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{
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m_db_regs->sq_tail = m_sq_tail;
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}
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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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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<DoorbellRegister volatile> db_regs);
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private:
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bool cqe_available();
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@ -75,7 +75,7 @@ private:
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OwnPtr<Memory::Region> m_sq_dma_region;
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NonnullRefPtrVector<Memory::PhysicalPage> m_sq_dma_page;
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Span<NVMeCompletion> m_cqe_array;
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Memory::TypedMapping<volatile DoorbellRegister> m_db_regs;
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Memory::TypedMapping<DoorbellRegister volatile> m_db_regs;
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NonnullRefPtr<Memory::PhysicalPage> m_rw_dma_page;
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};
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}
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