[PATCH v2 0/9] NTB: Alter kernel API to support multi-port devices

Path	csiph.com!news.mixmin.net!feeds.phibee-telecom.net!news.panservice.it!bofh.it!news.nic.it!robomod
From	Serge Semin <fancer.lancer@gmail.com>
Newsgroups	linux.kernel
Subject	[PATCH v2 0/9] NTB: Alter kernel API to support multi-port devices
Date	Mon, 12 Dec 2016 22:10:01 +0100
Message-ID	<sNG1b-R8-9@gated-at.bofh.it> (permalink)
References	<sIUet-2Xs-3@gated-at.bofh.it>
Dkim-Signature	v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=9kJEYQrl7BoVxlwk/VD/hloKxHGAhQB++lvCrdsXvEI=; b=udOXGt7DqnQFNSsY9+gRgwNSHuhW7kA90s7duGMl2hhccfngYlBAv5AWDHPK81Azsc aFduQlTF342oERRhSM/m3vEpXzBVFeDg37CK0LO3CGn3AxZiEEifs+wJ0O8pMSyG62Gd 82lnPLW1TdodZD5H57D2IO9otnT1zhujT5tjaLbjcNe171JUOdR2mFwdHcY5o13dsGkd tyL1TnjUVu0IksKAc9Koz/rQ841QNJqK993vBnSAAi+qZNpqpp9L0thx1Jy+haIGV+G4 lGw4/PAFexBdqWd9PtjtDJxHlYGUCol/TUyfIaCpXSSR5Fa0LScifYE2FsovmyUCVH/t 2hrA==
X-Google-Dkim-Signature	v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=9kJEYQrl7BoVxlwk/VD/hloKxHGAhQB++lvCrdsXvEI=; b=L/ag3YMxy7pFcFtQ2vUvihyQg2Ts6rMsHmC4NPEw0pVha33GwCd0xnol5e5hj5R/sK MwZl2BZ5KCK15BU+oWb3xl/yOJ9Ag+iGanUlGmJauXcM6Q7mBmbQ51G7TniXF+QVUSxx zh74qOa0hxnQLJ4nbtRV/HmkZx6E2AtiBK5yHQ2Lblspy8Hreh9PcCNKKinZGKc+pASK Womf7anL/gqV46Vk0HYfGrTrdYIUgD/4+/UnwUilI44EZS2nTTe1ivOzmnfnC47OtB+8 ejIQaLZBBy/NPfC0+A5MvqI7H7yOthu3JUviYa3RRE9rot4IntdDlNLy4A0v3tpyN5T1 Q9/w==
X-Gm-Message-State	AKaTC027Z1SIUCiqByfOTHuYTtNEUmY1Ext57RXg0bxMIxNQuVss8miyJr9OzccF6E7Bog==
X-Received	by 10.25.159.78 with SMTP id i75mr31265495lfe.123.1481576949989; Mon, 12 Dec 2016 13:09:09 -0800 (PST)
X-Mailer	git-send-email 2.6.6
Sender	robomod@news.nic.it
List-ID	<linux-kernel.vger.kernel.org>
X-Mailing-List	linux-kernel@vger.kernel.org
Approved	robomod@news.nic.it
Lines	45
Organization	linux.* mail to news gateway
X-Original-Cc	Sergey.Semin@t-platforms.ru, linux-ntb@googlegroups.com, linux-kernel@vger.kernel.org, Serge Semin <fancer.lancer@gmail.com>
X-Original-Date	Tue, 13 Dec 2016 00:08:13 +0300
X-Original-Message-ID	<1481576902-21091-1-git-send-email-fancer.lancer@gmail.com>
X-Original-References	<1480439777-1080-1-git-send-email-fancer.lancer@gmail.com>
X-Original-Sender	linux-kernel-owner@vger.kernel.org
Xref	csiph.com linux.kernel:1540656

Show key headers only | View raw

There are devices, like IDT PCIe-switches, which have more than just two ports.
Particularly one device can have up to eight ports with NTB-function activated.
In order to support such devices, NTB kernel API should be altered since
currently it's optimized to work with two-ports devices only.

Changelog v2:
 - Move comments from cover letter to individual patches
 - Combine patches to make code buildable
 - Alter patchset to support Intel SKX driver
 - Make sure all the API uses the same midx/widx/pidx/sidx arguments notation
 - Move new MW API usage description into Documention
 - Alter Spad/Msg API checking valid function to make spad and msg interfaces optional
 - Alter comments in ntb.h
 - Split: add NTB_SPEED_GEN4 and ntb.h comments into separate patches
 - Put copyrights into some of the existing patches
 - Get rid of TOPO updates

Signed-off-by: Serge Semin <fancer.lancer@gmail.com>

Serge Semin (9):
  NTB: Make link-state API being declared first
  NTB: Add indexed ports NTB API
  NTB: Alter link-state API to support multi-port devices
  NTB: Alter MW API to support multi-ports devices
  NTB: Alter Scratchpads API to support multi-ports devices
  NTB: Add Messaging NTB API
  NTB: Add new Memory Windows API documentation
  NTB: Add PCIe Gen4 link speed
  NTB: Add ntb.h comments

 Documentation/ntb.txt               |  99 +++++-
 drivers/ntb/hw/amd/ntb_hw_amd.c     | 291 ++++++++++------
 drivers/ntb/hw/amd/ntb_hw_amd.h     |  11 +
 drivers/ntb/hw/intel/ntb_hw_intel.c | 296 +++++++++++------
 drivers/ntb/hw/intel/ntb_hw_intel.h |  11 +
 drivers/ntb/ntb.c                   |  15 +
 drivers/ntb/ntb_transport.c         |  44 ++-
 drivers/ntb/test/ntb_perf.c         |  27 +-
 drivers/ntb/test/ntb_pingpong.c     |  14 +-
 drivers/ntb/test/ntb_tool.c         |  93 ++++--
 include/linux/ntb.h                 | 639 ++++++++++++++++++++++++++++++------
 11 files changed, 1173 insertions(+), 367 deletions(-)

-- 
2.6.6

Back to linux.kernel | Previous | Next — Next in thread | Find similar | Unroll thread

Thread

[PATCH v2 0/9] NTB: Alter kernel API to support multi-port devices Serge Semin <fancer.lancer@gmail.com> - 2016-12-12 22:10 +0100
  [PATCH v2 2/9] NTB: Add indexed ports NTB API Serge Semin <fancer.lancer@gmail.com> - 2016-12-12 22:10 +0100
  [PATCH v2 7/9] NTB: Add new Memory Windows API documentation Serge Semin <fancer.lancer@gmail.com> - 2016-12-12 22:10 +0100
  [PATCH v2 3/9] NTB: Alter link-state API to support multi-port devices Serge Semin <fancer.lancer@gmail.com> - 2016-12-12 22:20 +0100
  [PATCH v2 8/9] NTB: Add PCIe Gen4 link speed Serge Semin <fancer.lancer@gmail.com> - 2016-12-12 22:20 +0100
  [PATCH v2 5/9] NTB: Alter Scratchpads API to support multi-ports devices Serge Semin <fancer.lancer@gmail.com> - 2016-12-12 22:20 +0100
  [PATCH v2 1/9] NTB: Make link-state API being declared first Serge Semin <fancer.lancer@gmail.com> - 2016-12-12 22:20 +0100
  [PATCH v2 4/9] NTB: Alter MW API to support multi-ports devices Serge Semin <fancer.lancer@gmail.com> - 2016-12-12 22:20 +0100
  [PATCH v3 8/9] NTB: Add PCIe Gen4 link speed Serge Semin <fancer.lancer@gmail.com> - 2016-12-14 01:00 +0100
  [PATCH v3 1/9] NTB: Make link-state API being declared first Serge Semin <fancer.lancer@gmail.com> - 2016-12-14 01:00 +0100
    RE: [PATCH v3 1/9] NTB: Make link-state API being declared first "Allen Hubbe" <Allen.Hubbe@dell.com> - 2016-12-14 08:10 +0100
  [PATCH v3 5/9] NTB: Alter Scratchpads API to support multi-ports devices Serge Semin <fancer.lancer@gmail.com> - 2016-12-14 01:00 +0100
    RE: [PATCH v3 5/9] NTB: Alter Scratchpads API to support multi-ports devices "Allen Hubbe" <Allen.Hubbe@dell.com> - 2016-12-14 08:10 +0100
  [PATCH v3 9/9] NTB: Add ntb.h comments Serge Semin <fancer.lancer@gmail.com> - 2016-12-14 01:00 +0100
    RE: [PATCH v3 9/9] NTB: Add ntb.h comments "Allen Hubbe" <Allen.Hubbe@dell.com> - 2016-12-14 08:20 +0100
    [PATCH v3 9/9] NTB: Add ntb.h comments Serge Semin <fancer.lancer@gmail.com> - 2016-12-14 08:20 +0100
      RE: [PATCH v3 9/9] NTB: Add ntb.h comments "Allen Hubbe" <Allen.Hubbe@dell.com> - 2016-12-14 08:20 +0100
      [PATCH v3 9/9] NTB: Add ntb.h comments Serge Semin <fancer.lancer@gmail.com> - 2016-12-20 11:00 +0100
  [PATCH v3 0/9] NTB: Alter kernel API to support multi-port devices Serge Semin <fancer.lancer@gmail.com> - 2016-12-14 01:00 +0100
    [PATCH v3 2/9] NTB: Add indexed ports NTB API Serge Semin <fancer.lancer@gmail.com> - 2016-12-14 01:00 +0100
      RE: [PATCH v3 2/9] NTB: Add indexed ports NTB API "Allen Hubbe" <Allen.Hubbe@dell.com> - 2016-12-14 08:10 +0100
    [PATCH v3 4/9] NTB: Alter MW API to support multi-ports devices Serge Semin <fancer.lancer@gmail.com> - 2016-12-14 01:00 +0100
      RE: [PATCH v3 4/9] NTB: Alter MW API to support multi-ports devices "Allen Hubbe" <Allen.Hubbe@dell.com> - 2016-12-14 08:10 +0100
    [PATCH v3 3/9] NTB: Alter link-state API to support multi-port devices Serge Semin <fancer.lancer@gmail.com> - 2016-12-14 01:00 +0100
    [PATCH v3 6/9] NTB: Add Messaging NTB API Serge Semin <fancer.lancer@gmail.com> - 2016-12-14 01:00 +0100
      [PATCH v3 6/9] NTB: Add Messaging NTB API Serge Semin <fancer.lancer@gmail.com> - 2016-12-20 10:50 +0100
    [PATCH v3 7/9] NTB: Add new Memory Windows API documentation Serge Semin <fancer.lancer@gmail.com> - 2016-12-14 01:00 +0100

csiph-web