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Subject:	Re: smartmontools 7.5-1
To:	cygwin AT cygwin DOT com
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	<7dbacf8f-52d3-6363-9222-ba78841f9e6b AT cs DOT umass DOT edu>
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Date:	Tue, 20 May 2025 10:50:38 +0200
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From:	Christian Franke via Cygwin <cygwin AT cygwin DOT com>
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Eliot Moss via Cygwin wrote:
> On 5/19/2025 9:14 AM, Christian Franke wrote:
>> The following package has been uploaded to the Cygwin distribution:
>>
>> * smartmontools-7.5-1
>
> Thank you for this!  It works fine on an attached HDD, but with my 
> built-in
> NVMe, I get this, in response to /usr/sbin/smartctl -r ioctl,2 -i 
> /dev/sda
>
> smartctl 7.5 2025-04-30 r5714 [x86_64-pc-cygwin-w11-24H2] (cygwin-7.5-1)
> Copyright (C) 2002-25, Bruce Allen, Christian Franke, 
> www.smartmontools.org
>
>  \\.\PhysicalDrive0: successfully opened
>   IOCTL_STORAGE_QUERY_PROPERTY returns:
>     Vendor:   "NVMe"
>     Product:  "KXG80ZN84T09 NVMe KIOXIA 4096GB"
>     Revision: "11304103"
>     Removable: No
>     BusType:   0x11
>   \\.\PhysicalDrive0: successfully opened
>  [NVMe call: opcode=0x06, size=0x1000, nsid=0x00000000, cdw10=0x00000001]
>   [STORAGE_QUERY_PROPERTY: Id=49, Type=1, Value=0x00000001, 
> SubVal=0x00000000]
>   [STORAGE_QUERY_PROPERTY: ReturnData=0x00000000, Reserved[3]={0x0, 
> 0x0, 0x0}]
>  [Duration: 0.000109s]
>  [NVMe call failed: IOCTL_STORAGE_QUERY_PROPERTY(NVMe) failed, Error=1]
> Read NVMe Identify Controller failed: 
> IOCTL_STORAGE_QUERY_PROPERTY(NVMe) failed, Error=1
>
>

Which NVMe driver is used according to devmgmt.msc?

The above output suggests that the driver does not support the NVMe 
extensions of IOCTL_STORAGE_QUERY_PROPERTY[1]. This is typical for 
drivers which also support RAID.

For example Intel RST drivers provide vendor independent pass-through 
functionality for non-RAID SATA drives (IOCTL_ATA_PASS_THROUGH), but not 
for NVMe. There is a vendor specific NVMe pass-through ioctl available, 
but this is not yet implemented in smartctl.

-- 
Regards,
Christian

[1]
https://learn.microsoft.com/en-us/windows/win32/fileio/working-with-nvme-devices


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