| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <20240718071134.31155-6-lihuisong@huawei.com> Date: Thu, 18 Jul 2024 15:11:34 +0800 From: Huisong Li <lihuisong@...wei.com> To: <xuwei5@...ilicon.com> CC: <linux-kernel@...r.kernel.org>, <soc@...nel.org>, <linux-arm-kernel@...ts.infradead.org>, <Jonathan.Cameron@...wei.com>, <liuyonglong@...wei.com>, <lihuisong@...wei.com> Subject: [PATCH 5/5] doc: soc: hisilicon: kunpeng_hccs: add low power interface description for HCCS This patch add low power interface description for HCCS. Signed-off-by: Huisong Li <lihuisong@...wei.com> --- .../sysfs-devices-platform-kunpeng_hccs | 26 +++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/Documentation/ABI/testing/sysfs-devices-platform-kunpeng_hccs b/Documentation/ABI/testing/sysfs-devices-platform-kunpeng_hccs index 1666340820f7..28bffb79e742 100644 --- a/Documentation/ABI/testing/sysfs-devices-platform-kunpeng_hccs +++ b/Documentation/ABI/testing/sysfs-devices-platform-kunpeng_hccs @@ -79,3 +79,29 @@ Description: indicates a lane. crc_err_cnt: (RO) CRC err count on this port. ============= ==== ============================================= + +What: /sys/devices/platform/HISI04Bx:00/used_typs +Date: July 2024 +KernelVersion: 6.11 +Contact: Huisong Li <lihuisong@...wei.com> +Description: + This interface is used to show all HCCS type used on current + platform, like, HCCS-v1, HCCS-v2 and so on. + +What: /sys/devices/platform/HISI04Bx:00/support_pm_types +What: /sys/devices/platform/HISI04Bx:00/dec_lane +What: /sys/devices/platform/HISI04Bx:00/inc_lane +Date: July 2024 +KernelVersion: 6.11 +Contact: Huisong Li <lihuisong@...wei.com> +Description: + This series interface under /sys/devices/platform/HISI04Bx/ + directory is used to support low power of some HCCS type + by operating their lane number. The 'inc_lane' and 'dec_lane' + are just exposed with root privilege and write-onely attributes + when there is the HCCS type supported low power operation. + The 'support_pm_types' with read-only attributes is used to + expose the HCCS type supported PM. The available input of + 'inc_lane' and 'dec_lane' is from 'support_pm_types'. + Note: allow to decrease lane only when all specified HCCS ports + are not busy. -- 2.22.0
Powered by blists - more mailing lists