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Kernel: Pass NVMeController reference to NVMequeue

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This is in preparation for adding MSI(x) support to the NVMe device.
NVMeInterruptQueue needs access to the PCI device to deal with MSI(x)
interrupts. It is ok to pass the NVMeController as a reference to the
NVMeQueue as NVMeController is the one that owns the NVMeQueue.

This is very similar to how AHCIController passes its reference to its
interrupt handler.
This commit is contained in:
Pankaj Raghav 2023-04-29 22:17:10 +02:00 • committed by Jelle Raaijmakers
parent 693e3419b7
commit bfcf7ab3e8
5 changed files with 8 additions and 7 deletions
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4
Kernel/Storage/NVMe/NVMeQueue.cpp
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@ -12,7 +12,7 @@
#include <Kernel/Storage/NVMe/NVMeQueue.h>
namespace Kernel {
ErrorOr<NonnullLockRefPtr<NVMeQueue>> NVMeQueue::try_create(u16 qid, u8 irq, u32 q_depth, OwnPtr<Memory::Region> cq_dma_region, Vector<NonnullRefPtr<Memory::PhysicalPage>> cq_dma_page, OwnPtr<Memory::Region> sq_dma_region, Vector<NonnullRefPtr<Memory::PhysicalPage>> sq_dma_page, Memory::TypedMapping<DoorbellRegister volatile> db_regs, QueueType queue_type)
ErrorOr<NonnullLockRefPtr<NVMeQueue>> NVMeQueue::try_create(NVMeController& device, u16 qid, u8 irq, u32 q_depth, OwnPtr<Memory::Region> cq_dma_region, Vector<NonnullRefPtr<Memory::PhysicalPage>> cq_dma_page, OwnPtr<Memory::Region> sq_dma_region, Vector<NonnullRefPtr<Memory::PhysicalPage>> sq_dma_page, Memory::TypedMapping<DoorbellRegister volatile> db_regs, QueueType queue_type)
{
// Note: Allocate DMA region for RW operation. For now the requests don't exceed more than 4096 bytes (Storage device takes care of it)
RefPtr<Memory::PhysicalPage> rw_dma_page;
@ -21,7 +21,7 @@ ErrorOr<NonnullLockRefPtr<NVMeQueue>> NVMeQueue::try_create(u16 qid, u8 irq, u32
auto queue = TRY(adopt_nonnull_lock_ref_or_enomem(new (nothrow) NVMePollQueue(move(rw_dma_region), *rw_dma_page, qid, q_depth, move(cq_dma_region), cq_dma_page, move(sq_dma_region), sq_dma_page, move(db_regs))));
return queue;
}
auto queue = TRY(adopt_nonnull_lock_ref_or_enomem(new (nothrow) NVMeInterruptQueue(move(rw_dma_region), *rw_dma_page, qid, irq, q_depth, move(cq_dma_region), cq_dma_page, move(sq_dma_region), sq_dma_page, move(db_regs))));
auto queue = TRY(adopt_nonnull_lock_ref_or_enomem(new (nothrow) NVMeInterruptQueue(device, move(rw_dma_region), *rw_dma_page, qid, irq, q_depth, move(cq_dma_region), cq_dma_page, move(sq_dma_region), sq_dma_page, move(db_regs))));
return queue;
}