[systemd-devel] Fixup-support for kernel command line provided from UKI in systemd-stub

[VENKAT Nagaraj THOGARU (QUIC)]

HI @Luca Boccassi<mailto:luca.boccassi at gmail.com>,

We have an application in Linux which need this information.

Thanks & Regards,
Thogaru Venkat

From: Luca Boccassi <luca.boccassi at gmail.com>
Sent: Friday, December 1, 2023 3:31 PM
To: VENKAT Nagaraj THOGARU (QUIC) <quic_thogaru at quicinc.com>
Cc: SystemD Devel <systemd-devel at lists.freedesktop.org>
Subject: Re: [systemd-devel] Fixup-support for kernel command line provided from UKI in systemd-stub

Why does the kernel need to know all that?
On Fri, 1 Dec 2023, 06:43 VENKAT Nagaraj THOGARU (QUIC), <quic_thogaru at quicinc.com<mailto:quic_thogaru at quicinc.com>> wrote:
HI @Luca Boccassi,

Looks like this addons is to append additional cmd-line parameters with static data.
Our requirement is to append additional cmd-line parameters with dynamic device specific data like, serial number read from the device during runtime.

Thanks & Regards,
Venkat Thogaru

-----Original Message-----
From: Luca Boccassi <luca.boccassi at gmail.com<mailto:luca.boccassi at gmail.com>>
Sent: Tuesday, November 28, 2023 4:34 PM
To: VENKAT Nagaraj THOGARU (QUIC) <quic_thogaru at quicinc.com<mailto:quic_thogaru at quicinc.com>>
Cc: systemd-devel at lists.freedesktop.org<mailto:systemd-devel at lists.freedesktop.org>
Subject: Re: [systemd-devel] Fixup-support for kernel command line provided from UKI in systemd-stub

On Tue, 28 Nov 2023 at 10:30, VENKAT Nagaraj THOGARU (QUIC) <quic_thogaru at quicinc.com<mailto:quic_thogaru at quicinc.com>> wrote:
>
> Hi @systemd-devel at lists.freedesktop.org<mailto:systemd-devel at lists.freedesktop.org>,
>
>
>
> We have a query on Fixup-support for kernel command line provided from UKI in system-stub.
>
>
>
> Just like we have the Fixup support for DTB provided from UKI in systemd-stub[via EFI_DT_FIXUP_PROTOCOL], do we have any similar fixup support for Kernel command line provided from UKI ? If not, is there any ongoing effort to support this?
>
>
>
> Our requirement is to dynamically append the additional command line parameters to the command line provided from UKI.

Check the addons section:

https://www.freedesktop.org/software/systemd/man/latest/systemd-stub.html#Companion%20Files
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