linux-kernel - Re: [PATCH v2 13/14] Documentation/ABI: Update IFS ABI doc

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Date:   Thu, 10 Nov 2022 22:33:44 +0100
From:   Hans de Goede <hdegoede@...hat.com>
To:     Jithu Joseph <jithu.joseph@...el.com>, markgross@...nel.org
Cc:     tglx@...utronix.de, mingo@...hat.com, bp@...en8.de,
        dave.hansen@...ux.intel.com, x86@...nel.org, hpa@...or.com,
        gregkh@...uxfoundation.org, ashok.raj@...el.com,
        tony.luck@...el.com, linux-kernel@...r.kernel.org,
        platform-driver-x86@...r.kernel.org, patches@...ts.linux.dev,
        ravi.v.shankar@...el.com, thiago.macieira@...el.com,
        athenas.jimenez.gonzalez@...el.com, sohil.mehta@...el.com
Subject: Re: [PATCH v2 13/14] Documentation/ABI: Update IFS ABI doc

Hi,

On 11/7/22 23:53, Jithu Joseph wrote:
> Remove reload documentation and add current_batch documentation.
> Update the kernel version and date for all the entries.
> 
> Reviewed-by: Tony Luck <tony.luck@...el.com>
> Signed-off-by: Jithu Joseph <jithu.joseph@...el.com>

Thanks, patch looks good to me:

Reviewed-by: Hans de Goede <hdegoede@...hat.com>

Regards,

Hans


> ---
>  .../ABI/testing/sysfs-platform-intel-ifs      | 30 ++++++++++---------
>  1 file changed, 16 insertions(+), 14 deletions(-)
> 
> diff --git a/Documentation/ABI/testing/sysfs-platform-intel-ifs b/Documentation/ABI/testing/sysfs-platform-intel-ifs
> index 486d6d2ff8a0..f74df3abee57 100644
> --- a/Documentation/ABI/testing/sysfs-platform-intel-ifs
> +++ b/Documentation/ABI/testing/sysfs-platform-intel-ifs
> @@ -1,39 +1,41 @@
>  What:		/sys/devices/virtual/misc/intel_ifs_<N>/run_test
> -Date:		April 21 2022
> -KernelVersion:	5.19
> +Date:		Sept 30 2022
> +KernelVersion:	6.2
>  Contact:	"Jithu Joseph" <jithu.joseph@...el.com>
>  Description:	Write <cpu#> to trigger IFS test for one online core.
>  		Note that the test is per core. The cpu# can be
>  		for any thread on the core. Running on one thread
>  		completes the test for the core containing that thread.
>  		Example: to test the core containing cpu5: echo 5 >
> -		/sys/devices/platform/intel_ifs.<N>/run_test
> +		/sys/devices/virtual/misc/intel_ifs_<N>/run_test
>  
>  What:		/sys/devices/virtual/misc/intel_ifs_<N>/status
> -Date:		April 21 2022
> -KernelVersion:	5.19
> +Date:		Sept 30 2022
> +KernelVersion:	6.2
>  Contact:	"Jithu Joseph" <jithu.joseph@...el.com>
>  Description:	The status of the last test. It can be one of "pass", "fail"
>  		or "untested".
>  
>  What:		/sys/devices/virtual/misc/intel_ifs_<N>/details
> -Date:		April 21 2022
> -KernelVersion:	5.19
> +Date:		Sept 30 2022
> +KernelVersion:	6.2
>  Contact:	"Jithu Joseph" <jithu.joseph@...el.com>
>  Description:	Additional information regarding the last test. The details file reports
>  		the hex value of the SCAN_STATUS MSR. Note that the error_code field
>  		may contain driver defined software code not defined in the Intel SDM.
>  
>  What:		/sys/devices/virtual/misc/intel_ifs_<N>/image_version
> -Date:		April 21 2022
> -KernelVersion:	5.19
> +Date:		Sept 30 2022
> +KernelVersion:	6.2
>  Contact:	"Jithu Joseph" <jithu.joseph@...el.com>
>  Description:	Version (hexadecimal) of loaded IFS binary image. If no scan image
>  		is loaded reports "none".
>  
> -What:		/sys/devices/virtual/misc/intel_ifs_<N>/reload
> -Date:		April 21 2022
> -KernelVersion:	5.19
> +What:		/sys/devices/virtual/misc/intel_ifs_<N>/current_batch
> +Date:		Sept 30 2022
> +KernelVersion:	6.2
>  Contact:	"Jithu Joseph" <jithu.joseph@...el.com>
> -Description:	Write "1" (or "y" or "Y") to reload the IFS image from
> -		/lib/firmware/intel/ifs/ff-mm-ss.scan.
> +Description:	Write a number less than or equal to 0xff to load an IFS test image.
> +		The number written treated as the 2 digit suffix in the following file name:
> +		/lib/firmware/intel/ifs_<N>/ff-mm-ss-02x.scan
> +		Reading the file will provide the suffix of the currently loaded IFS test image.