[bug#75159] [PATCH v1 4/5] services: Add corectrl-helper-service-type.

[Zheng Junjie <zhengjunjie@iscas.ac.cn>]

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Ashvith Shetty <ashvithshetty10@gmail.com> writes:

> * gnu/services/pciutils.scm: New file.

This service doesn't seem to have anything to do with pciutils. Put it
in another module or a separate corectrl module.

> (corectrl-helper-service-type): new variable.

i think should corectrl-service-type. corectr-helper doesn't mean
anything. And use profile-service-type to add corectrl to profile. This
allows only one service to use corectrl, rather than requiring the user
to add the package.

> * gnu/local.mk: Add them.
> * doc/guix.texi (Miscellaneous Services): Document it.
>
> Change-Id: I1dbeb927100a9a488909ff1950ec7e50d3797c29
> ---
>  doc/guix.texi             | 15 ++++++++++++++
>  gnu/local.mk              |  1 +
>  gnu/services/pciutils.scm | 43 +++++++++++++++++++++++++++++++++++++++
>  3 files changed, 59 insertions(+)
>  create mode 100644 gnu/services/pciutils.scm
>
> diff --git a/doc/guix.texi b/doc/guix.texi
> index da4d2f5ebc..a36d3cc0f1 100644
> --- a/doc/guix.texi
> +++ b/doc/guix.texi
> @@ -42550,6 +42550,21 @@ empty list means that no type is specified.
>  
>  @end deftp
>  
> +@cindex corectrl-helper
> +@subsubheading CoreCtrl Helper Service
> +
> +The @code{(gnu services pciutils)} module provides a DBus service for 
> +interacting with system hardware resources, such as CPU and GPU, 
> +enabling advanced control and management through the CoreCtrl application.
> +
> +@defvar corectrl-helper-service-type
> +The service type for @command{corectrl}, which provides a helper service.
> +
> +@lisp
> +(service corectrl-helper-service-type)
> +@end lisp
> +@end defvar
> +
>  @c %end of fragment
>  
>  @node Privileged Programs
> diff --git a/gnu/local.mk b/gnu/local.mk
> index 84160f407a..5ebdb72624 100644
> --- a/gnu/local.mk
> +++ b/gnu/local.mk
> @@ -751,6 +751,7 @@ GNU_SYSTEM_MODULES =				\
>    %D%/services/nix.scm				\
>    %D%/services/nfs.scm			\
>    %D%/services/pam-mount.scm			\
> +  %D%/services/pciutils.scm			\
>    %D%/services/science.scm			\
>    %D%/services/security.scm			\
>    %D%/services/security-token.scm		\
> diff --git a/gnu/services/pciutils.scm b/gnu/services/pciutils.scm
> new file mode 100644
> index 0000000000..cfd310b584
> --- /dev/null
> +++ b/gnu/services/pciutils.scm
> @@ -0,0 +1,43 @@
> +;;; GNU Guix --- Functional package management for GNU
> +;;; Copyright © 2024 Ashvith Shetty <ashvithshetty10@gmail.com>
> +;;;
> +;;; This file is part of GNU Guix.
> +;;;
> +;;; GNU Guix is free software; you can redistribute it and/or modify it
> +;;; under the terms of the GNU General Public License as published by
> +;;; the Free Software Foundation; either version 3 of the License, or (at
> +;;; your option) any later version.
> +;;;
> +;;; GNU Guix is distributed in the hope that it will be useful, but
> +;;; WITHOUT ANY WARRANTY; without even the implied warranty of
> +;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> +;;; GNU General Public License for more details.
> +;;;
> +;;; You should have received a copy of the GNU General Public License
> +;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
> +
> +(define-module (gnu services pciutils)
> +  #:use-module (gnu packages pciutils)
> +  #:use-module (gnu services)
> +  #:use-module (gnu services configuration)
> +  #:use-module (gnu services dbus)
> +  #:use-module (guix gexp)
> +  #:export (corectrl-helper-configuration
> +            corectrl-helper-configuration?
> +            corectrl-helper-service-type))
> +
> +(define-configuration corectrl-helper-configuration
> +  (corectrl (file-like corectrl) "The corectrl package"))
> +
> +(define (corectrl-helper-dbus-service config)
> +  (list (corectrl-helper-configuration-corectrl config)))
> +
> +(define corectrl-helper-service-type
> +  (service-type (name 'corectrl-helper)
> +                (extensions (list (service-extension dbus-root-service-type
> +                                                     corectrl-helper-dbus-service)
> +                                  (service-extension polkit-service-type
> +                                                     corectrl-helper-dbus-service)))

also add profile-service-type.

> +                (default-value (corectrl-helper-configuration))
> +                ;; TODO: Improve the description.
> +                (description "Run corectrl-helper, an essential service for the corectrl application.")))

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