GSoC/kolibrios-nvme-driver
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make sure interrupts are enabled in PCI header

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This commit is contained in:
Abdur-Rahman Mansoor 2024-07-26 13:14:50 -04:00
parent 18b76f70b2
commit 3d78f22409
1 changed files with 7 additions and 0 deletions
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7
drivers/nvme/nvme.asm
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@ -875,6 +875,13 @@ proc nvme_init stdcall, pci:dword
push ebx esi edi
mov esi, dword [pci]
; Check the PCI header to see if interrupts are disabled, if so
; we have to re-enable them
invoke PciRead16, dword [esi + pcidev.bus], dword [esi + pcidev.devfn], PCI_header00.command
and eax, not (1 shl 10)
invoke PciWrite16, dword [esi + pcidev.bus], dword [esi + pcidev.devfn], PCI_header00.command, eax
mov edi, dword [esi + pcidev.io_addr]
if 0