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Kernel: Add MSIx support to NVMe

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Add MSIx support to NVMe. Prefer MSIx over pin-based interrupts as they
are more efficient and all modern hardware support them.
This commit is contained in:
Pankaj Raghav 2023-04-29 22:27:33 +02:00 • committed by Jelle Raaijmakers
parent bfcf7ab3e8
commit 9b3b0531e5
4 changed files with 17 additions and 8 deletions
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4
Kernel/Storage/NVMe/NVMeInterruptQueue.cpp
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@ -11,9 +11,9 @@
namespace Kernel {
UNMAP_AFTER_INIT NVMeInterruptQueue::NVMeInterruptQueue([[maybe_unused]] PCI::Device& device, NonnullOwnPtr<Memory::Region> rw_dma_region, Memory::PhysicalPage const& rw_dma_page, 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)
UNMAP_AFTER_INIT NVMeInterruptQueue::NVMeInterruptQueue(PCI::Device& device, NonnullOwnPtr<Memory::Region> rw_dma_region, Memory::PhysicalPage const& rw_dma_page, 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)
: NVMeQueue(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))
, IRQHandler(irq)
, PCIIRQHandler(device, irq)
{
enable_irq();
}