From: Tomas Winkler <tomas.winkler@intel.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Alexander Usyskin <alexander.usyskin@intel.com>,
linux-kernel@vger.kernel.org,
Tomas Winkler <tomas.winkler@intel.com>
Subject: [char-misc-next 00/12] mei: Add DMA ring
Date: Tue, 31 Jul 2018 09:35:32 +0300 [thread overview]
Message-ID: <20180731063544.25540-1-tomas.winkler@intel.com> (raw)
This series adds an alternative method for
transferring data between the mei driver and the device
via a DMA ring. The DMA ring allows transferring
data in bigger chunks, up to 128K, than the HW ring 512B.
The actual sizes depend on particular MEI generations.
The HW ring is faster for packets that fits
into the HW ring while a packet that would require
fragmentation is faster to send via the DMA ring.
Alexander Usyskin (3):
mei: define dma ring buffer sizes for PCH12 HW and newer
mei: bump hbm version to 2.1
mei: me: mark CNP devices as having dma support
Tomas Winkler (9):
mei: add support for variable length mei headers.
mei: hbm: define dma ring setup protocol
mei: hbm: introduce dma bit in the message header
mei: restrict dma ring support to hbm version 2.1
mei: dma ring buffers allocation
mei: hbm: setup dma ring
mei: hw: add dma ring control block
mei: dma ring: implement rx circular buffer logic
mei: dma ring: implement transmit flow
drivers/misc/mei/Makefile | 1 +
drivers/misc/mei/client.c | 84 +++++++++----
drivers/misc/mei/debugfs.c | 2 +
drivers/misc/mei/dma-ring.c | 278 +++++++++++++++++++++++++++++++++++++++++++
drivers/misc/mei/hbm.c | 126 ++++++++++++++++++--
drivers/misc/mei/hbm.h | 2 +
drivers/misc/mei/hw-me.c | 53 ++++++---
drivers/misc/mei/hw-me.h | 4 +
drivers/misc/mei/hw-txe.c | 42 +++----
drivers/misc/mei/hw.h | 98 ++++++++++++++-
drivers/misc/mei/init.c | 2 +-
drivers/misc/mei/interrupt.c | 45 ++++---
drivers/misc/mei/mei_dev.h | 57 +++++++--
drivers/misc/mei/pci-me.c | 4 +-
14 files changed, 700 insertions(+), 98 deletions(-)
create mode 100644 drivers/misc/mei/dma-ring.c
--
2.14.4
next reply other threads:[~2018-07-31 6:37 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-31 6:35 Tomas Winkler [this message]
2018-07-31 6:35 ` [char-misc-next 01/12] mei: add support for variable length mei headers Tomas Winkler
2018-07-31 6:35 ` [char-misc-next 02/12] mei: hbm: define dma ring setup protocol Tomas Winkler
2018-07-31 6:35 ` [char-misc-next 03/12] mei: hbm: introduce dma bit in the message header Tomas Winkler
2018-07-31 6:35 ` [char-misc-next 04/12] mei: restrict dma ring support to hbm version 2.1 Tomas Winkler
2018-07-31 6:35 ` [char-misc-next 05/12] mei: define dma ring buffer sizes for PCH12 HW and newer Tomas Winkler
2018-07-31 6:35 ` [char-misc-next 06/12] mei: dma ring buffers allocation Tomas Winkler
2018-08-02 8:18 ` Greg Kroah-Hartman
2018-08-02 8:20 ` Winkler, Tomas
2018-08-05 20:38 ` Winkler, Tomas
2018-09-12 7:13 ` Greg Kroah-Hartman
2018-07-31 6:35 ` [char-misc-next 07/12] mei: hbm: setup dma ring Tomas Winkler
2018-07-31 6:35 ` [char-misc-next 08/12] mei: hw: add dma ring control block Tomas Winkler
2018-07-31 6:35 ` [char-misc-next 09/12] mei: dma ring: implement rx circular buffer logic Tomas Winkler
2018-07-31 6:35 ` [char-misc-next 10/12] mei: dma ring: implement transmit flow Tomas Winkler
2018-07-31 6:35 ` [char-misc-next 11/12] mei: bump hbm version to 2.1 Tomas Winkler
2018-07-31 6:35 ` [char-misc-next 12/12] mei: me: mark CNP devices as having dma support Tomas Winkler
2018-08-02 8:19 ` [char-misc-next 00/12] mei: Add DMA ring Greg Kroah-Hartman
2018-08-08 16:11 ` Winkler, Tomas
2018-08-19 5:34 ` Winkler, Tomas
2018-08-19 6:12 ` 'Greg Kroah-Hartman'
2018-09-12 7:12 ` Greg Kroah-Hartman
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