linux-kernel - [PATCH 0/2] bus: mhi: Add loopback driver for host & ep

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

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20250923-loopback_mhi-v1-0-8618f31f44aa@oss.qualcomm.com>
Date: Tue, 23 Sep 2025 12:07:40 +0530
From: Sumit Kumar <sumit.kumar@....qualcomm.com>
To: Manivannan Sadhasivam <mani@...nel.org>
Cc: Krishna Chaitanya Chundru <krishna.chundru@....qualcomm.com>,
        Akhil Vinod <akhil.vinod@....qualcomm.com>,
        Subramanian Ananthanarayanan <subramanian.ananthanarayanan@....qualcomm.com>,
        linux-kernel@...r.kernel.org, mhi@...ts.linux.dev,
        linux-arm-msm@...r.kernel.org, quic_vpernami@...cinc.com,
        Sumit Kumar <sumit.kumar@....qualcomm.com>
Subject: [PATCH 0/2] bus: mhi: Add loopback driver for host & ep

This series add MHI loopback drivers to enable comprehensive testing and
validation of MHI data path functionality between host controllers and
endpoint devices. The drivers support configurable transfer sizes, TRE
chaining, and provide real-time status reporting for thorough testing.

Signed-off-by: Sumit Kumar <sumit.kumar@....qualcomm.com>
---
Sumit Kumar (2):
      bus: mhi: host: Add loopback driver with sysfs interface
      bus: mhi: ep: Add loopback driver for data path testing

 drivers/bus/mhi/ep/Kconfig           |   8 +
 drivers/bus/mhi/ep/Makefile          |   1 +
 drivers/bus/mhi/ep/mhi_ep_loopback.c | 132 +++++++++++++
 drivers/bus/mhi/host/Kconfig         |   7 +
 drivers/bus/mhi/host/Makefile        |   1 +
 drivers/bus/mhi/host/mhi_loopback.c  | 348 +++++++++++++++++++++++++++++++++++
 6 files changed, 497 insertions(+)
---
base-commit: e6b9dce0aeeb91dfc0974ab87f02454e24566182
change-id: 20250903-loopback_mhi-dee55ff0d462

Best regards,
-- 
Sumit Kumar <sumit.kumar@....qualcomm.com>