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serenity/Kernel/Storage/NVMe/NVMeInterruptQueue.h
Pankaj Raghav 0c5d6c6c47 Kernel: Move NVMeInterruptQueue initialization out of its constructor
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.
2023-05-21 18:01:29 -06:00

30 lines
1.3 KiB
C++

/*
* Copyright (c) 2022, Pankaj R <pankydev8@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <Kernel/Interrupts/PCIIRQHandler.h>
#include <Kernel/Storage/NVMe/NVMeQueue.h>
namespace Kernel {
class NVMeInterruptQueue : public NVMeQueue
, public PCIIRQHandler {
public:
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);
void submit_sqe(NVMeSubmission& submission) override;
virtual ~NVMeInterruptQueue() override {};
virtual StringView purpose() const override { return "NVMe"sv; };
void initialize_interrupt_queue();
protected:
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);
private:
virtual void complete_current_request(u16 cmdid, u16 status) override;
bool handle_irq(RegisterState const&) override;
};
}