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Kernel: NVMe queues now supports upto 64 simultaneous operations

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Bananymous
2024-03-15 13:46:35 +02:00
parent 48ea9e1c1d
commit 090c3c9930
3 changed files with 67 additions and 28 deletions
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13
kernel/include/kernel/Storage/NVMe/Queue.h
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@@ -3,7 +3,6 @@
#include <BAN/UniqPtr.h>
#include <BAN/Vector.h>
#include <kernel/Interruptable.h>
#include <kernel/Lock/Mutex.h>
#include <kernel/Memory/DMARegion.h>
#include <kernel/Semaphore.h>
#include <kernel/Storage/NVMe/Definitions.h>
@@ -21,7 +20,9 @@ namespace Kernel
virtual void handle_irq() final override;
private:
Mutex m_mutex;
uint16_t reserve_cid();
private:
BAN::UniqPtr<Kernel::DMARegion> m_completion_queue;
BAN::UniqPtr<Kernel::DMARegion> m_submission_queue;
volatile NVMe::DoorbellRegisters& m_doorbell;
@@ -30,9 +31,11 @@ namespace Kernel
uint32_t m_cq_head { 0 };
uint16_t m_cq_valid_phase { 1 };
Semaphore m_semaphore;
volatile uint16_t m_status;
volatile bool m_done { false };
Semaphore m_semaphore;
SpinLock m_lock;
BAN::Atomic<uint64_t> m_used_mask { 0 };
BAN::Atomic<uint64_t> m_done_mask { 0 };
volatile uint16_t m_status_codes[64] { };
};
}