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

fix: shutdown all NVMe controllers

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This commit is contained in:
Abdur-Rahman Mansoor 2024-08-23 12:21:36 -04:00
parent 763bf37d29
commit e78be21c18
Signed by: ramenu
GPG Key ID: 8D15FCF6795779C8
1 changed files with 4 additions and 6 deletions
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10
drivers/nvme/nvme.asm
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@ -1384,13 +1384,7 @@ proc nvme_cleanup
cmp ebx, LAST_QUEUE_ID
jbe .get_queue
pop ebx
inc ebx
cmp ebx, dword [num_pcidevs]
jne .get_pcidev
; NOTE: This code has a bug! It only shuts down the last
; controller, not all of them. Move this inside the loop
; and check if the device is actually valid.
; Shutdown the controller
mov edi, dword [esi + pcidev.io_addr]
mov eax, dword [edi + NVME_MMIO.CC]
@ -1404,6 +1398,10 @@ proc nvme_cleanup
test byte [edi + NVME_MMIO.CSTS], CSTS_SHST_SHUTDOWN_COMPLETE
jnz @b
inc ebx
cmp ebx, dword [num_pcidevs]
jne .get_pcidev
.ret:
pop edi esi ebx
ret