GSoC/kolibrios-nvme-driver
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Code Issues 2 Actions Activity

fix nvme_identify and irq_handler

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This commit is contained in:
Abdur-Rahman Mansoor 2024-06-09 14:57:42 -04:00
parent dd3ebb1716
commit 34bfcf8719
1 changed files with 6 additions and 7 deletions
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13
drivers/nvme/nvme.asm
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@ -155,7 +155,7 @@ proc nvme_identify stdcall, pci:dword, nsid:dword, dptr:dword, cid:word, cns:byt
mov dword [esi + SQ_ENTRY.dptr], eax
movzx eax, [cid]
shl eax, 16
or dword [esi + SQ_ENTRY.cdw0], ADM_CMD_IDENTIFY
mov dword [esi + SQ_ENTRY.cdw0], ADM_CMD_IDENTIFY
or dword [esi + SQ_ENTRY.cdw0], eax
mov al, [cns]
mov byte [esi + SQ_ENTRY.cdw10], al
@ -572,7 +572,7 @@ proc nvme_init stdcall, pci:dword
mov dword [dptr], eax
invoke GetPhysAddr
; pci:dword, nsid:dword, dptr:dword, cid:word, cns:byte
stdcall nvme_identify, [pci], 0, eax, 0, CNS_IDCS
stdcall nvme_identify, [pci], 0, eax, 2, CNS_IDCS
xor eax, eax
inc eax
@ -742,11 +742,10 @@ proc irq_handler
mov esi, dword [esi + pcidev.io_addr]
mov edi, dword [edi + pcidev.cq_ptr]
mov dword [esi + NVME_MMIO.INTMS], 0x1
mov eax, dword [edi + CQ_ENTRY.sqid]
DEBUGF DBG_INFO, "(NVMe) SQID: %u\n", eax
mov eax, dword [edi + CQ_ENTRY.status]
DEBUGF DBG_INFO, "(NVMe) Status: %x\n", eax
test al, al
mov ax, word [edi + CQ_ENTRY.status]
and ax, not CQ_PHASE_TAG ; ignore phase tag bit
DEBUGF DBG_INFO, "(NVMe) Status: %x\n", ax
test al, al ; check status code (0 on success)
jz @f
; error occurred