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Kernel: Rewrite whole device structure

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We now have DevFileSystem which is derived from RamFileSystem. All
devices are RamInodes. We don't have separate DeviceManager anymore.
To iterate over devices, you can loop througn every inode in devfs.
This commit is contained in:
Bananymous
2023-07-10 23:17:14 +03:00
parent 9174a89971
commit 74c79c7eff
34 changed files with 334 additions and 408 deletions
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20
kernel/include/kernel/Storage/ATABus.h
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@@ -20,28 +20,28 @@ namespace Kernel
};
public:
static ATABus* create(ATAController*, uint16_t base, uint16_t ctrl, uint8_t irq);
static ATABus* create(ATAController&, uint16_t base, uint16_t ctrl, uint8_t irq);
BAN::ErrorOr<void> read(ATADevice*, uint64_t, uint8_t, uint8_t*);
BAN::ErrorOr<void> write(ATADevice*, uint64_t, uint8_t, const uint8_t*);
BAN::ErrorOr<void> read(ATADevice&, uint64_t, uint8_t, uint8_t*);
BAN::ErrorOr<void> write(ATADevice&, uint64_t, uint8_t, const uint8_t*);
ATAController* controller() { return m_controller; }
ATAController& controller() { return m_controller; }
void on_irq();
private:
ATABus(ATAController* controller, uint16_t base, uint16_t ctrl)
ATABus(ATAController& controller, uint16_t base, uint16_t ctrl)
: m_controller(controller)
, m_base(base)
, m_ctrl(ctrl)
{}
void initialize(uint8_t irq);
void select_device(const ATADevice*);
DeviceType identify(const ATADevice*, uint16_t*);
void select_device(const ATADevice&);
DeviceType identify(const ATADevice&, uint16_t*);
void block_until_irq();
uint8_t device_index(const ATADevice*) const;
uint8_t device_index(const ATADevice&) const;
uint8_t io_read(uint16_t);
void io_write(uint16_t, uint8_t);
@@ -51,14 +51,14 @@ namespace Kernel
BAN::Error error();
private:
ATAController* m_controller;
ATAController& m_controller;
const uint16_t m_base;
const uint16_t m_ctrl;
SpinLock m_lock;
bool m_has_got_irq { false };
ATADevice* m_devices[2] { nullptr, nullptr };
BAN::RefPtr<ATADevice> m_devices[2] {};
friend class ATAController;
};