From: Alan Tull <atull@kernel.org>
To: Wu Hao <hao.wu@intel.com>
Cc: Moritz Fischer <mdf@kernel.org>,
linux-fpga@vger.kernel.org,
linux-kernel <linux-kernel@vger.kernel.org>,
linux-api@vger.kernel.org, Zhang Yi Z <yi.z.zhang@intel.com>,
Xu Yilun <yilun.xu@intel.com>
Subject: Re: [PATCH 05/17] fpga: dfl: fme: add DFL_FPGA_FME_PORT_RELEASE/ASSIGN ioctl support.
Date: Thu, 28 Mar 2019 17:03:39 -0500 [thread overview]
Message-ID: <CANk1AXSwZ3PU+PRGBDkx=0nkMNTRyC2OQMCm3kte+fq-N1KkyA@mail.gmail.com> (raw)
In-Reply-To: <1553483264-5379-6-git-send-email-hao.wu@intel.com>
On Sun, Mar 24, 2019 at 10:23 PM Wu Hao <hao.wu@intel.com> wrote:
>
> In order to support virtualization usage via PCIe SRIOV, this patch
> adds two ioctls under FPGA Management Engine (FME) to release and
> assign back the port device. In order to safely turn Port from PF
> into VF and enable PCIe SRIOV, it requires user to invoke this
> PORT_RELEASE ioctl to release port firstly to remove userspace
> interfaces, and then configure the PF/VF access register in FME.
> After disable SRIOV, it requires user to invoke this PORT_ASSIGN
> ioctl to attach the port back to PF.
>
> Ioctl interfaces:
> * DFL_FPGA_FME_PORT_RELEASE
> Release platform device of given port, it deletes port platform
> device to remove related userspace interfaces on PF, then
> configures PF/VF access mode to VF.
>
> * DFL_FPGA_FME_PORT_ASSIGN
> Assign platform device of given port back to PF, it configures
> PF/VF access mode to PF, then adds port platform device back to
> re-enable related userspace interfaces on PF.
>
> Signed-off-by: Zhang Yi Z <yi.z.zhang@intel.com>
> Signed-off-by: Xu Yilun <yilun.xu@intel.com>
> Signed-off-by: Wu Hao <hao.wu@intel.com>
Acked-by: Alan Tull <atull@kernel.org>
next prev parent reply other threads:[~2019-03-28 22:04 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-25 3:07 [PATCH 00/17] add new features for FPGA DFL drivers Wu Hao
2019-03-25 3:07 ` [PATCH 01/17] fpga: dfl-fme-mgr: fix FME_PR_INTFC_ID register address Wu Hao
2019-03-25 17:28 ` Alan Tull
2019-04-01 19:54 ` Moritz Fischer
2019-04-02 4:38 ` Wu Hao
2019-04-02 13:33 ` Moritz Fischer
2019-03-25 3:07 ` [PATCH 02/17] fpga: dfl: fme: align PR buffer size per PR datawidth Wu Hao
2019-03-25 17:50 ` Alan Tull
2019-03-26 0:28 ` Wu Hao
2019-03-28 18:50 ` Alan Tull
2019-03-25 3:07 ` [PATCH 03/17] fpga: dfl: fme: support 512bit data width PR Wu Hao
2019-03-25 18:48 ` Alan Tull
2019-03-25 22:53 ` Scott Wood
2019-03-25 22:58 ` Scott Wood
2019-03-26 19:33 ` Alan Tull
2019-03-26 21:22 ` Scott Wood
2019-03-27 4:37 ` Wu Hao
2019-03-27 6:10 ` Scott Wood
2019-03-27 6:10 ` Scott Wood
2019-03-27 6:03 ` Wu Hao
2019-03-27 5:10 ` Wu Hao
2019-03-27 6:19 ` Scott Wood
2019-03-27 7:10 ` Wu Hao
2019-03-27 5:46 ` Wu Hao
2019-03-25 3:07 ` [PATCH 04/17] Documentation: fpga: dfl: add descriptions for virtualization and new interfaces Wu Hao
2019-03-25 3:07 ` [PATCH 05/17] fpga: dfl: fme: add DFL_FPGA_FME_PORT_RELEASE/ASSIGN ioctl support Wu Hao
2019-03-28 22:03 ` Alan Tull [this message]
2019-03-25 3:07 ` [PATCH 06/17] fpga: dfl: pci: enable SRIOV support Wu Hao
2019-03-28 22:03 ` Alan Tull
2019-03-25 3:07 ` [PATCH 07/17] fpga: dfl: afu: add AFU state related sysfs interfaces Wu Hao
2019-03-28 17:13 ` Alan Tull
2019-03-25 3:07 ` [PATCH 08/17] fpga: dfl: afu: add userclock " Wu Hao
2019-04-01 21:41 ` Alan Tull
2019-03-25 3:07 ` [PATCH 09/17] fpga: dfl: add id_table for dfl private feature driver Wu Hao
2019-04-02 15:09 ` Moritz Fischer
2019-04-11 20:55 ` Alan Tull
2019-03-25 3:07 ` [PATCH 10/17] fpga: dfl: afu: export __port_enable/disable function Wu Hao
2019-04-02 15:42 ` Moritz Fischer
2019-04-02 15:50 ` Moritz Fischer
2019-04-11 20:45 ` Alan Tull
2019-03-25 3:07 ` [PATCH 11/17] fpga: dfl: afu: add error reporting support Wu Hao
2019-04-09 20:57 ` Alan Tull
2019-04-10 1:43 ` Wu Hao
2019-03-25 3:07 ` [PATCH 12/17] fpga: dfl: afu: add STP (SignalTap) support Wu Hao
2019-04-02 15:07 ` Moritz Fischer
2019-04-11 20:41 ` Alan Tull
2019-03-25 3:07 ` [PATCH 13/17] fpga: dfl: fme: add capability sysfs interfaces Wu Hao
2019-04-09 21:05 ` Alan Tull
2019-03-25 3:07 ` [PATCH 14/17] fpga: dfl: fme: add thermal management support Wu Hao
2019-04-02 14:59 ` Moritz Fischer
2019-04-03 16:31 ` Wu Hao
2019-04-03 18:09 ` Moritz Fischer
2019-04-03 23:43 ` Wu Hao
2019-03-25 3:07 ` [PATCH 15/17] fpga: dfl: fme: add power " Wu Hao
2019-04-11 20:07 ` Alan Tull
2019-04-12 2:50 ` Wu Hao
2019-04-15 21:17 ` Alan Tull
2019-04-17 7:36 ` Wu Hao
2019-04-12 21:05 ` Moritz Fischer
2019-04-17 7:31 ` Wu Hao
2019-03-25 3:07 ` [PATCH 16/17] fpga: dfl: fme: add global error reporting support Wu Hao
2019-04-09 21:35 ` Alan Tull
2019-04-10 1:34 ` Wu Hao
2019-03-25 3:07 ` [PATCH 17/17] fpga: dfl: fme: add performance " Wu Hao
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