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Message-ID: <tencent_788D1D0B2D8FF4E718D8627502FE0A949C0A@qq.com>
Date: Wed, 26 Mar 2025 18:02:24 +0800
From: Yaxiong Tian <iambestgod@...com>
To: kbusch@...nel.org,
axboe@...nel.dk,
hch@....de,
sagi@...mberg.me
Cc: linux-nvme@...ts.infradead.org,
linux-kernel@...r.kernel.org,
Yaxiong Tian <tianyaxiong@...inos.cn>
Subject: [PATCH 0/3] nvme: Add sysfs interface for APST configuration management
From: Yaxiong Tian <tianyaxiong@...inos.cn>
This series enhances NVMe APST (Autonomous Power State Transition) support by:
1. Adding warnings for PST table allocation failures
2. Exposing APST tables via sysfs for runtime inspection
3. Providing per-controller sysfs interface for APST configuration
The changes allow better visibility and control of power management settings
through userspace tools while maintaining the existing functionality.
Yaxiong Tian (3):
nvme: Add warning for PST table memory allocation failure in
nvme_configure_apst
nvme: add sysfs interface for APST table updates
nvme: add per-controller sysfs interface for APST configuration
drivers/nvme/host/core.c | 24 ++++++++++------
drivers/nvme/host/nvme.h | 6 ++++
drivers/nvme/host/sysfs.c | 59 +++++++++++++++++++++++++++++++++++++++
3 files changed, 81 insertions(+), 8 deletions(-)
--
2.25.1
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