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charset="UTF-8" MIME-Version: 1.0 X-OriginatorOrg: siemens.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: SG2PR06MB5189.apcprd06.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: d01096e5-2c93-44e1-acd7-08dcaa11464d X-MS-Exchange-CrossTenant-originalarrivaltime: 22 Jul 2024 05:43:54.9979 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 38ae3bcd-9579-4fd4-adda-b42e1495d55a X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: euymugY/uAm1YDa8RtbhHUaTS55eYF2648hrTS9Sf4mTde956lpKJBaeD4k0F5ZF1mavkpc4l40+wy5XpWMV70K+g8V+T+tqzIuu2/M0CAE= X-MS-Exchange-Transport-CrossTenantHeadersStamped: SEYPR06MB6131 X-Original-Sender: kumar.rakesh@siemens.com X-Original-Authentication-Results: gmr-mx.google.com; dkim=pass header.i=@siemens.com header.s=selector2 header.b=JjTirara; arc=pass (i=1 spf=pass spfdomain=siemens.com dkim=pass dkdomain=siemens.com dmarc=pass fromdomain=siemens.com); spf=pass (google.com: domain of kumar.rakesh@siemens.com designates 2a01:111:f400:feae::607 as permitted sender) smtp.mailfrom=kumar.rakesh@siemens.com; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=siemens.com X-Original-From: "Kumar, Rakesh" Reply-To: "Kumar, Rakesh" Precedence: list Mailing-list: list isar-users@googlegroups.com; contact isar-users+owners@googlegroups.com List-ID: X-Spam-Checked-In-Group: isar-users@googlegroups.com X-Google-Group-Id: 914930254986 List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , X-Spam-Status: No, score=-4.9 required=5.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,MAILING_LIST_MULTI, RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL,RCVD_IN_RP_CERTIFIED, RCVD_IN_RP_RNBL,RCVD_IN_RP_SAFE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on shymkent.ilbers.de X-TUID: tgnW8sHRBY5H Hi all, Any updates on this patch. If this patch needs any correction/improvement then please give your inputs on this. Regards, Rakesh -----Original Message----- From: Kiszka, Jan (T CED) Sent: 10 July 2024 16:51 To: Kumar, Rakesh (DI CTO FDS CES LX PBU 1) ; isar-users@googlegroups.com; Gylstorff, Quirin (T CED OES-DE) Cc: Hombourger, Cedric (DI CTO FDS CES LX) Subject: Re: [PATCH] initramfs: move fTPM and tee-supplicant initialization to local-top stage On 10.07.24 07:33, Rakesh Kumar wrote: > To ensure proper initialization of the fTPM and tee-supplicant > services before the root filesystem is mounted, we are relocating > their initialization to the local-top section of initramfs. This > change ensures that the encrypted filesystems are properly initialized > and ready for use before the root filesystem is mounted at local-bottom stage. Close but not fully correct: The rootfs is mounted AFTER the top stage and BEFORE bottom. > > Reason for local-top: > > * Early Initialization: The local-top scripts run before the root filesystem is mounted. > This timing is essential for encrypted root filesystems since the decryption process must be > completed before the filesystem can be accessed. > > * Dependency Handling: The encryption setup requires initializing dependencies such as > fTPM (firmware Trusted Platform Module) devices. Performing these tasks early in the boot process > ensures that all necessary components are in place before the root filesystem is mounted. This will still need some isar-cip-core patch in order to add a PREREQ on fTPM if a concrete target using fTPM for disk encryption. But Quirin just had another idea, leaving the stage to him now. :) Jan > > Signed-off-by: Rakesh Kumar > --- > .../initramfs-tee-ftpm-hook/initramfs-tee-ftpm-hook_0.1.bb | 4 ++-- > .../initramfs-tee-supplicant-hook_0.1.bb | 4 ++-- > 2 files changed, 4 insertions(+), 4 deletions(-) > > diff --git > a/meta/recipes-initramfs/initramfs-tee-ftpm-hook/initramfs-tee-ftpm-ho > ok_0.1.bb > b/meta/recipes-initramfs/initramfs-tee-ftpm-hook/initramfs-tee-ftpm-ho > ok_0.1.bb > index db38e618..82fec1bb 100644 > --- > a/meta/recipes-initramfs/initramfs-tee-ftpm-hook/initramfs-tee-ftpm-ho > ok_0.1.bb > +++ b/meta/recipes-initramfs/initramfs-tee-ftpm-hook/initramfs-tee-ftp > +++ m-hook_0.1.bb > @@ -17,11 +17,11 @@ DEBIAN_DEPENDS = "initramfs-tools" > > do_install[cleandirs] += " \ > ${D}/usr/share/initramfs-tools/hooks \ > - ${D}/usr/share/initramfs-tools/scripts/local-bottom" > + ${D}/usr/share/initramfs-tools/scripts/local-top" > > do_install() { > install -m 0755 "${WORKDIR}/tee-ftpm.hook" \ > "${D}/usr/share/initramfs-tools/hooks/tee-ftpm" > install -m 0755 "${WORKDIR}/tee-ftpm.script" \ > - "${D}/usr/share/initramfs-tools/scripts/local-bottom/tee-ftpm" > + "${D}/usr/share/initramfs-tools/scripts/local-top/tee-ftpm" > } > diff --git > a/meta/recipes-initramfs/initramfs-tee-supplicant-hook/initramfs-tee-s > upplicant-hook_0.1.bb > b/meta/recipes-initramfs/initramfs-tee-supplicant-hook/initramfs-tee-s > upplicant-hook_0.1.bb > index 3768b8e0..a7a19bee 100644 > --- > a/meta/recipes-initramfs/initramfs-tee-supplicant-hook/initramfs-tee-s > upplicant-hook_0.1.bb > +++ b/meta/recipes-initramfs/initramfs-tee-supplicant-hook/initramfs-t > +++ ee-supplicant-hook_0.1.bb > @@ -17,11 +17,11 @@ DEBIAN_DEPENDS = "initramfs-tools, tee-supplicant, procps" > > do_install[cleandirs] += " \ > ${D}/usr/share/initramfs-tools/hooks \ > - ${D}/usr/share/initramfs-tools/scripts/local-bottom" > + ${D}/usr/share/initramfs-tools/scripts/local-top" > > do_install() { > install -m 0755 "${WORKDIR}/tee-supplicant.hook" \ > "${D}/usr/share/initramfs-tools/hooks/tee-supplicant" > install -m 0755 "${WORKDIR}/tee-supplicant.script" \ > - "${D}/usr/share/initramfs-tools/scripts/local-bottom/tee-supplicant" > + "${D}/usr/share/initramfs-tools/scripts/local-top/tee-supplicant" > } -- Siemens AG, Technology Linux Expert Center -- You received this message because you are subscribed to the Google Groups "isar-users" group. 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