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https://github.com/RGBCube/serenity
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0c5d6c6c47
Add a helper initialize_interrupt_queue() helper to enable_irq instead of doing it as part of its object construction as it can fail. This is similar to how AHCI initializes its interrupt as well.
30 lines
1.3 KiB
C++
30 lines
1.3 KiB
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/Interrupts/PCIIRQHandler.h>
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#include <Kernel/Storage/NVMe/NVMeQueue.h>
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namespace Kernel {
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class NVMeInterruptQueue : public NVMeQueue
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, public PCIIRQHandler {
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public:
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static ErrorOr<NonnullLockRefPtr<NVMeInterruptQueue>> try_create(PCI::Device& device, NonnullOwnPtr<Memory::Region> rw_dma_region, NonnullRefPtr<Memory::PhysicalPage> rw_dma_page, u16 qid, u8 irq, 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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void submit_sqe(NVMeSubmission& submission) override;
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virtual ~NVMeInterruptQueue() override {};
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virtual StringView purpose() const override { return "NVMe"sv; };
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void initialize_interrupt_queue();
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protected:
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NVMeInterruptQueue(PCI::Device& device, NonnullOwnPtr<Memory::Region> rw_dma_region, NonnullRefPtr<Memory::PhysicalPage> rw_dma_page, u16 qid, u8 irq, 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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private:
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virtual void complete_current_request(u16 cmdid, u16 status) override;
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bool handle_irq(RegisterState const&) override;
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};
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}
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