mirror of
https://github.com/RGBCube/serenity
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5b774f3617
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.
25 lines
947 B
C++
25 lines
947 B
C++
/*
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* Copyright (c) 2022, Pankaj R <pankydev8@gmail.com>
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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 <Kernel/Devices/Storage/NVMe/NVMeQueue.h>
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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, 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, 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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};
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}
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