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From: Mimi Zohar To: Nayna Jain , linuxppc-dev@ozlabs.org Date: Wed, 15 Jul 2020 12:54:39 -0400 In-Reply-To: <1594813921-12425-1-git-send-email-nayna@linux.ibm.com> References: <1594813921-12425-1-git-send-email-nayna@linux.ibm.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.20.5 (3.20.5-1.fc24) Mime-Version: 1.0 Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235, 18.0.687 definitions=2020-07-15_12:2020-07-15, 2020-07-15 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 bulkscore=0 adultscore=0 spamscore=0 mlxscore=0 phishscore=0 malwarescore=0 clxscore=1015 priorityscore=1501 impostorscore=0 mlxlogscore=903 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2007150126 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-kernel@vger.kernel.org, Daniel Axtens Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Wed, 2020-07-15 at 07:52 -0400, Nayna Jain wrote: > The device-tree property to check secure and trusted boot state is > different for guests(pseries) compared to baremetal(powernv). > > This patch updates the existing is_ppc_secureboot_enabled() and > is_ppc_trustedboot_enabled() functions to add support for pseries. > > The secureboot and trustedboot state are exposed via device-tree property: > /proc/device-tree/ibm,secure-boot and /proc/device-tree/ibm,trusted-boot > > The values of ibm,secure-boot under pseries are interpreted as: > > 0 - Disabled > 1 - Enabled in Log-only mode. This patch interprets this value as > disabled, since audit mode is currently not supported for Linux. > 2 - Enabled and enforced. > 3-9 - Enabled and enforcing; requirements are at the discretion of the > operating system. > > The values of ibm,trusted-boot under pseries are interpreted as: > 0 - Disabled > 1 - Enabled > > Signed-off-by: Nayna Jain > Reviewed-by: Daniel Axtens Thanks for updating the patch description. Reviewed-by: Mimi Zohar