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NVMe: Add a new struct Doorbell to encapsulate doorbell registers
Introduce a new Struct Doorbell that encapsulates the mmio doorbell register. This commit does not introduce any functional changes and it is added in preparation to adding shadow doorbell support.
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parent
934afcb9d5
commit
5b774f3617
7 changed files with 29 additions and 17 deletions
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@ -12,12 +12,12 @@ namespace Kernel {
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class NVMePollQueue : public NVMeQueue {
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public:
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static ErrorOr<NonnullLockRefPtr<NVMePollQueue>> try_create(NonnullOwnPtr<Memory::Region> rw_dma_region, NonnullRefPtr<Memory::PhysicalPage> rw_dma_page, u16 qid, u32 q_depth, OwnPtr<Memory::Region> cq_dma_region, OwnPtr<Memory::Region> sq_dma_region, Memory::TypedMapping<DoorbellRegister volatile> db_regs);
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static ErrorOr<NonnullLockRefPtr<NVMePollQueue>> try_create(NonnullOwnPtr<Memory::Region> rw_dma_region, NonnullRefPtr<Memory::PhysicalPage> rw_dma_page, u16 qid, u32 q_depth, OwnPtr<Memory::Region> cq_dma_region, OwnPtr<Memory::Region> sq_dma_region, Doorbell db_regs);
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void submit_sqe(NVMeSubmission& submission) override;
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virtual ~NVMePollQueue() override {};
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protected:
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NVMePollQueue(NonnullOwnPtr<Memory::Region> rw_dma_region, NonnullRefPtr<Memory::PhysicalPage> rw_dma_page, u16 qid, u32 q_depth, OwnPtr<Memory::Region> cq_dma_region, OwnPtr<Memory::Region> sq_dma_region, Memory::TypedMapping<DoorbellRegister volatile> db_regs);
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NVMePollQueue(NonnullOwnPtr<Memory::Region> rw_dma_region, NonnullRefPtr<Memory::PhysicalPage> rw_dma_page, u16 qid, u32 q_depth, OwnPtr<Memory::Region> cq_dma_region, OwnPtr<Memory::Region> sq_dma_region, Doorbell db_regs);
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private:
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virtual void complete_current_request(u16 cmdid, u16 status) override;
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