gpu: Obsolete the NVIDIA initrd build

As the NVIDIA stack has shifted to using an image for both the
confidential and non-confidential variants, we retire the initrd
build.

Signed-off-by: Manuel Huber <manuelh@nvidia.com>

.github/workflows/build-kata-static-tarball-amd64.yaml

@@ -168,8 +168,6 @@ jobs:
           - rootfs-image-nvidia-gpu-confidential
           - rootfs-initrd
           - rootfs-initrd-confidential
-          - rootfs-initrd-nvidia-gpu
-          - rootfs-initrd-nvidia-gpu-confidential
     steps:
       - name: Login to Kata Containers quay.io
         if: ${{ inputs.push-to-registry == 'yes' }}

.github/workflows/build-kata-static-tarball-arm64.yaml

@@ -152,7 +152,6 @@ jobs:
           - rootfs-image
           - rootfs-image-nvidia-gpu
           - rootfs-initrd
-          - rootfs-initrd-nvidia-gpu
     steps:
       - name: Login to Kata Containers quay.io
         if: ${{ inputs.push-to-registry == 'yes' }}

src/runtime/Makefile

@@ -65,8 +65,6 @@ INITRDCONFIDENTIALNAME = $(PROJECT_TAG)-initrd-confidential.img
 
 IMAGENAME_NV = $(PROJECT_TAG)-nvidia-gpu.img
 IMAGENAME_CONFIDENTIAL_NV = $(PROJECT_TAG)-nvidia-gpu-confidential.img
-INITRDNAME_NV = $(PROJECT_TAG)-initrd-nvidia-gpu.img
-INITRDNAME_CONFIDENTIAL_NV = $(PROJECT_TAG)-initrd-nvidia-gpu-confidential.img
 
 TARGET = $(BIN_PREFIX)-runtime
 RUNTIME_OUTPUT = $(CURDIR)/$(TARGET)
@@ -136,8 +134,6 @@ INITRDCONFIDENTIALPATH := $(PKGDATADIR)/$(INITRDCONFIDENTIALNAME)
 
 IMAGEPATH_NV := $(PKGDATADIR)/$(IMAGENAME_NV)
 IMAGEPATH_CONFIDENTIAL_NV := $(PKGDATADIR)/$(IMAGENAME_CONFIDENTIAL_NV)
-INITRDPATH_NV := $(PKGDATADIR)/$(INITRDNAME_NV)
-INITRDPATH_CONFIDENTIAL_NV := $(PKGDATADIR)/$(INITRDNAME_CONFIDENTIAL_NV)
 
 ROOTFSTYPE_EXT4 := \"ext4\"
 ROOTFSTYPE_XFS := \"xfs\"
@@ -656,10 +652,6 @@ USER_VARS += IMAGENAME_NV
 USER_VARS += IMAGENAME_CONFIDENTIAL_NV
 USER_VARS += IMAGEPATH_NV
 USER_VARS += IMAGEPATH_CONFIDENTIAL_NV
-USER_VARS += INITRDNAME_NV
-USER_VARS += INITRDNAME_CONFIDENTIAL_NV
-USER_VARS += INITRDPATH_NV
-USER_VARS += INITRDPATH_CONFIDENTIAL_NV
 USER_VARS += KERNELNAME_NV
 USER_VARS += KERNELPATH_NV
 USER_VARS += KERNELNAME_CONFIDENTIAL_NV

tools/packaging/kata-deploy/local-build/Makefile

@@ -191,15 +191,9 @@ rootfs-initrd-tarball: agent-tarball
 rootfs-image-nvidia-gpu-tarball: agent-tarball busybox-tarball kernel-nvidia-gpu-tarball
 	${MAKE} $@-build
 
-rootfs-initrd-nvidia-gpu-tarball: agent-tarball busybox-tarball kernel-nvidia-gpu-tarball
-	${MAKE} $@-build
-
 rootfs-image-nvidia-gpu-confidential-tarball: agent-tarball busybox-tarball pause-image-tarball coco-guest-components-tarball kernel-nvidia-gpu-tarball
 	${MAKE} $@-build
 
-rootfs-initrd-nvidia-gpu-confidential-tarball: agent-tarball busybox-tarball pause-image-tarball coco-guest-components-tarball kernel-nvidia-gpu-tarball
-	${MAKE} $@-build
-
 rootfs-cca-confidential-image-tarball: agent-tarball pause-image-tarball coco-guest-components-tarball kernel-cca-confidential-tarball
 	${MAKE} $@-build
 

tools/packaging/kata-deploy/local-build/kata-deploy-binaries.sh

@@ -607,16 +607,6 @@ install_image_nvidia_gpu() {
 	install_image "nvidia-gpu"
 }
 
-# Install NVIDIA GPU initrd
-install_initrd_nvidia_gpu() {
-	export AGENT_POLICY
-	export MEASURED_ROOTFS="no"
-	local version=$(get_from_kata_deps .externals.nvidia.driver.version)
-	EXTRA_PKGS="apt curl ${EXTRA_PKGS}"
-	NVIDIA_GPU_STACK=${NVIDIA_GPU_STACK:-"driver=${version},compute,dcgm,nvswitch"}
-	install_initrd "nvidia-gpu"
-}
-
 # Instal NVIDIA GPU confidential image
 install_image_nvidia_gpu_confidential() {
 	export CONFIDENTIAL_GUEST="yes"
@@ -628,18 +618,6 @@ install_image_nvidia_gpu_confidential() {
 	install_image "nvidia-gpu-confidential"
 }
 
-# Install NVIDIA GPU confidential initrd
-install_initrd_nvidia_gpu_confidential() {
-	export CONFIDENTIAL_GUEST="yes"
-	export AGENT_POLICY
-	export MEASURED_ROOTFS="no"
-	local version=$(get_from_kata_deps .externals.nvidia.driver.version)
-	EXTRA_PKGS="apt curl ${EXTRA_PKGS}"
-	NVIDIA_GPU_STACK=${NVIDIA_GPU_STACK:-"driver=${version},compute,dcgm,nvswitch"}
-	install_initrd "nvidia-gpu-confidential"
-}
-
-
 install_se_image() {
 	info "Create IBM SE image configured with AA_KBC=${AA_KBC}"
 	"${se_image_builder}" --destdir="${destdir}"
@@ -1383,12 +1361,8 @@ handle_build() {
 
 	rootfs-image-nvidia-gpu) install_image_nvidia_gpu ;;
 
-	rootfs-initrd-nvidia-gpu) install_initrd_nvidia_gpu ;;
-
 	rootfs-image-nvidia-gpu-confidential) install_image_nvidia_gpu_confidential ;;
 
-	rootfs-initrd-nvidia-gpu-confidential) install_initrd_nvidia_gpu_confidential ;;
-
 	rootfs-cca-confidential-image) install_image_confidential ;;
 
 	rootfs-cca-confidential-initrd) install_initrd_confidential ;;