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Diffstat (limited to 'nongnu/services/nvidia.scm')
-rw-r--r-- | nongnu/services/nvidia.scm | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/nongnu/services/nvidia.scm b/nongnu/services/nvidia.scm new file mode 100644 index 0000000..81a5d5f --- /dev/null +++ b/nongnu/services/nvidia.scm @@ -0,0 +1,64 @@ +;;; SPDX-License-Identifier: GPL-3.0-or-later +;;; Copyright © 2022, 2024 Hilton Chain <hako@ultrarare.space> + +(define-module (nongnu services nvidia) + #:use-module (guix gexp) + #:use-module (guix records) + #:use-module (gnu packages) + #:use-module (gnu packages linux) + #:use-module (gnu services) + #:use-module (gnu services base) + #:use-module (gnu services linux) + #:use-module (gnu services shepherd) + #:use-module (nongnu packages nvidia) + #:export (nvidia-configuration + nvidia-configuration? + nvidia-configuration-record? + nvidia-service-type)) + +(define-record-type* <nvidia-configuration> + nvidia-configuration make-nvidia-configuration + nvidia-configuration? + (driver nvidia-configuration-driver + (default nvda)) ; file-like + (firmware nvidia-configuration-firmware + (default nvidia-firmware)) ; file-like + (module nvidia-configuration-module + (default nvidia-module))) ; file-like + +(define (nvidia-shepherd-service config) + (let ((nvidia-driver (nvidia-configuration-driver config)) + (nvidia-smi (file-append nvidia-driver "/bin/nvidia-smi"))) + (list (shepherd-service + (documentation "Prepare system environment for NVIDIA driver.") + (provision '(nvidia)) + (requirement '(udev)) + (one-shot? #t) + (modules '(((guix build utils) #:select (invoke/quiet)) + ((rnrs io ports) #:select (get-line)))) + (start + #~(lambda _ + (when (file-exists? "/proc/driver/nvidia") + (let ((modprobe (call-with-input-file + "/proc/sys/kernel/modprobe" get-line))) + (false-if-exception + (begin + (invoke/quiet modprobe "--" "nvidia_uvm") + (invoke/quiet #$nvidia-smi))))))))))) + +(define nvidia-service-type + (service-type + (name 'nvidia) + (extensions + (list (service-extension shepherd-root-service-type + nvidia-shepherd-service) + (service-extension profile-service-type + (compose list nvidia-configuration-driver)) + (service-extension udev-service-type + (compose list nvidia-configuration-driver)) + (service-extension firmware-service-type + (compose list nvidia-configuration-firmware)) + (service-extension linux-loadable-module-service-type + (compose list nvidia-configuration-module)))) + (default-value (nvidia-configuration)) + (description "Prepare system environment for NVIDIA driver."))) |