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

fix: set SQ_ENTRY.CDW0 to valid value in commands

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Abdur-Rahman Mansoor
2024-06-04 16:12:19 -04:00
parent c74cff54cb
commit a693301a4c
1 changed files with 10 additions and 1 deletions
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11
drivers/nvme/nvme.asm
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@@ -152,6 +152,8 @@ proc create_io_completion_queue stdcall, pci:dword, prp1:dword, qid:word, ien:by
or ebx, eax ; CDW.PC
mov esi, [esi + pcidev.sq_ptr]
stdcall memset, esi, 0, sizeof.SQ_ENTRY
stdcall set_cdw0, ADM_CMD_CRE_IO_COMPLETION_QUEUE, 0 ; [TODO: Set CID to valid value]
mov dword [esi + SQ_ENTRY.cdw0], eax
; Since we are not using MSI-X or MSI vector (yet), CDW11.IV must be set to 0
mov dword [esi + SQ_ENTRY.cdw11], ebx
mov bx, [qid] ; CDW10.QID
@@ -176,6 +178,8 @@ proc create_io_submission_queue stdcall, pci:dword, prp1:dword, qid:word, cqid:w
and ebx, 0x1 ; CDW11.PC
mov esi, [esi + pcidev.sq_ptr]
stdcall memset, esi, 0, sizeof.SQ_ENTRY
stdcall set_cdw0, ADM_CMD_CRE_IO_SUBMISSION_QUEUE, 0 ; [TODO: Set CID to valid value]
mov dword [esi + SQ_ENTRY.cdw0], eax
movzx eax, [cqid]
shl eax, 16
or ebx, eax ; CDW11.CQID
@@ -201,6 +205,8 @@ proc delete_io_completion_queue stdcall, pci:dword, qid:word
mov esi, [pci]
mov esi, [esi + pcidev.sq_ptr]
stdcall memset, esi, 0, sizeof.SQ_ENTRY
stdcall set_cdw0, ADM_CMD_DEL_IO_COMPLETION_QUEUE, 0 ; [TODO: Set CID to valid value]
mov dword [esi + SQ_ENTRY.cdw0], eax
mov ax, [qid]
mov word [esi + SQ_ENTRY.cdw10], ax
stdcall sqytdbl_write, [pci], [qid], 0 ; setting last param to 0 for now, change later
@@ -215,7 +221,8 @@ proc get_features stdcall, pci:dword, dptr:dword, sel:byte, fid:byte
mov esi, [pci]
mov esi, [esi + pcidev.sq_ptr]
stdcall memset, esi, 0, sizeof.SQ_ENTRY
mov
stdcall set_cdw0, ADM_CMD_GET_FEATURES, 0 ; [TODO: Set CID to valid value]
mov dword [esi + SQ_ENTRY.cdw0], eax
movzx eax, [fid] ; CDW10.FID
movzx ebx, [sel]
and ebx, 111b
@@ -238,6 +245,8 @@ proc delete_io_submission_queue stdcall, pci:dword, qid:word
mov esi, [pci]
mov esi, [esi + pcidev.sq_ptr]
stdcall memset, esi, 0, sizeof.SQ_ENTRY
stdcall set_cdw0, ADM_CMD_DEL_IO_SUBMISSION_QUEUE, 0 ; [TODO: Set CID to valid value]
mov dword [esi + SQ_ENTRY.cdw0], eax
mov ax, [qid]
mov word [esi + SQ_ENTRY.cdw10], ax
stdcall sqytdbl_write, [pci], [qid], 0 ; setting last param to 0 for now, change later