Bananymous
d8f136a76f
This wasn't really used for anything and broke nvme controller as it was now doubly ref counted :P
56 lines
1.4 KiB
C++
56 lines
1.4 KiB
C++
#pragma once
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#include <BAN/Vector.h>
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#include <kernel/InterruptController.h>
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#include <kernel/PCI.h>
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#include <kernel/Storage/NVMe/Definitions.h>
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#include <kernel/Storage/NVMe/Namespace.h>
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#include <kernel/Storage/NVMe/Queue.h>
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namespace Kernel
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{
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class NVMeController final : public CharacterDevice
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{
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BAN_NON_COPYABLE(NVMeController);
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BAN_NON_MOVABLE(NVMeController);
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public:
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static BAN::ErrorOr<BAN::RefPtr<NVMeController>> create(PCI::Device&);
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NVMeQueue& io_queue() { return *m_io_queue; }
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virtual BAN::StringView name() const override { return m_name; }
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protected:
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virtual bool can_read_impl() const override { return false; }
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virtual bool can_write_impl() const override { return false; }
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virtual bool has_error_impl() const override { return false; }
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virtual bool has_hungup_impl() const override { return false; }
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private:
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NVMeController(PCI::Device& pci_device);
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BAN::ErrorOr<void> initialize();
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BAN::ErrorOr<void> identify_controller();
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BAN::ErrorOr<void> identify_namespaces();
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BAN::ErrorOr<void> wait_until_ready(bool expected_value);
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BAN::ErrorOr<void> create_admin_queue();
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BAN::ErrorOr<void> create_io_queue();
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private:
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PCI::Device& m_pci_device;
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BAN::UniqPtr<PCI::BarRegion> m_bar0;
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volatile NVMe::ControllerRegisters* m_controller_registers;
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BAN::UniqPtr<NVMeQueue> m_admin_queue;
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BAN::UniqPtr<NVMeQueue> m_io_queue;
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BAN::Vector<BAN::RefPtr<NVMeNamespace>> m_namespaces;
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char m_name[20];
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};
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}
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