linux-kernel - [PATCH v2 0/5] misc: fastrpc: Add invokeV2 to support new features

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Message-ID: <20250127044239.578540-1-quic_ekangupt@quicinc.com>
Date: Mon, 27 Jan 2025 10:12:34 +0530
From: Ekansh Gupta <quic_ekangupt@...cinc.com>
To: <srinivas.kandagatla@...aro.org>, <linux-arm-msm@...r.kernel.org>
CC: <gregkh@...uxfoundation.org>, <quic_bkumar@...cinc.com>,
        <linux-kernel@...r.kernel.org>, <quic_chennak@...cinc.com>,
        <dri-devel@...ts.freedesktop.org>, <arnd@...db.de>
Subject: [PATCH v2 0/5] misc: fastrpc: Add invokeV2 to support new features

This patch series adds the listed features that have been missing
in upstream fastRPC driver.

- Add changes to support new enhanced invocation ioctl request.
- Add support for CRC check.
- Add polling mode support.

Userspace change: https://github.com/quic/fastrpc/pull/134
Patch [v1]: https://lore.kernel.org/all/20241007084518.3649876-1-quic_ekangupt@quicinc.com/

Changes in v2:
  - Moved context specific pointers under invoke_ctx structure to avoid
    code duplicacy.
  - Separated userspace and kernel data structures.
  - Changed design to address existing problems.
  - Added checks for reserved bits.
  - Dropped performance counter changes for now. I will rework and
    rework and submit it separately.

Ekansh Gupta (5):
  misc: fastrpc: Move fdlist to invoke context structure
  misc: fastrpc: Introduce context params structure
  misc: fastrpc: Add CRC support using invokeV2 request
  misc: fastrpc: Add polling mode support for fastRPC driver
  misc: fastrpc: Modify context id mask to support polling mode

 drivers/misc/fastrpc.c      | 348 ++++++++++++++++++++++++++++++------
 include/uapi/misc/fastrpc.h |   8 +
 2 files changed, 302 insertions(+), 54 deletions(-)

-- 
2.34.1