From: Greg KH <greg@kroah.com>
To: Alan Tull <atull@kernel.org>
Cc: "Luebbers, Enno" <enno.luebbers@intel.com>,
Wu Hao <hao.wu@intel.com>, Moritz Fischer <mdf@kernel.org>,
linux-fpga@vger.kernel.org,
linux-kernel <linux-kernel@vger.kernel.org>,
linux-api@vger.kernel.org, "Kang, Luwei" <luwei.kang@intel.com>,
"Zhang, Yi Z" <yi.z.zhang@intel.com>,
Xiao Guangrong <guangrong.xiao@linux.intel.com>
Subject: Re: [PATCH v2 01/22] docs: fpga: add a document for Intel FPGA driver overview
Date: Tue, 18 Jul 2017 07:22:28 +0200 [thread overview]
Message-ID: <20170718052228.GA10631@kroah.com> (raw)
In-Reply-To: <CANk1AXTLhbczboA=wCYGUhnJyyYfvmUqUpk490sk34eh-MU5Ew@mail.gmail.com>
On Mon, Jul 17, 2017 at 03:14:29PM -0500, Alan Tull wrote:
> > Also, we're thinking that some operations require that you first "acquire
> > ownership" of the respective device, which I believe maps more easily to
> > open() and ioctls than sysfs.
> >
> > Thanks
> > - Enno
>
> Yes, sysfs doesn't implement open/close so there's no clean way to
> have one thing in userspace that owns the interface. It's a shame.
No, that was by design :)
WARNING: multiple messages have this Message-ID (diff)
From: Greg KH <greg-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>
To: Alan Tull <atull-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: "Luebbers,
Enno" <enno.luebbers-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
Wu Hao <hao.wu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
Moritz Fischer <mdf-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
linux-fpga-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, "Kang,
Luwei" <luwei.kang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
"Zhang,
Yi Z" <yi.z.zhang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
Xiao Guangrong
<guangrong.xiao-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
Subject: Re: [PATCH v2 01/22] docs: fpga: add a document for Intel FPGA driver overview
Date: Tue, 18 Jul 2017 07:22:28 +0200 [thread overview]
Message-ID: <20170718052228.GA10631@kroah.com> (raw)
In-Reply-To: <CANk1AXTLhbczboA=wCYGUhnJyyYfvmUqUpk490sk34eh-MU5Ew-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
On Mon, Jul 17, 2017 at 03:14:29PM -0500, Alan Tull wrote:
> > Also, we're thinking that some operations require that you first "acquire
> > ownership" of the respective device, which I believe maps more easily to
> > open() and ioctls than sysfs.
> >
> > Thanks
> > - Enno
>
> Yes, sysfs doesn't implement open/close so there's no clean way to
> have one thing in userspace that owns the interface. It's a shame.
No, that was by design :)
next prev parent reply other threads:[~2017-07-18 5:22 UTC|newest]
Thread overview: 150+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-26 1:51 [PATCH v2 00/22] Intel FPGA Device Drivers Wu Hao
2017-06-26 1:51 ` Wu Hao
2017-06-26 1:51 ` [PATCH v2 01/22] docs: fpga: add a document for Intel FPGA driver overview Wu Hao
2017-06-26 1:51 ` Wu Hao
2017-07-12 14:51 ` Alan Tull
2017-07-13 4:25 ` Wu Hao
2017-07-13 4:25 ` Wu Hao
2017-07-14 23:59 ` Luebbers, Enno
2017-07-17 20:14 ` Alan Tull
2017-07-18 5:22 ` Greg KH [this message]
2017-07-18 5:22 ` Greg KH
2017-07-18 14:32 ` Alan Tull
2017-07-18 14:32 ` Alan Tull
2017-06-26 1:51 ` [PATCH v2 02/22] fpga: add FPGA device framework Wu Hao
2017-06-26 1:51 ` Wu Hao
2017-07-27 16:35 ` Alan Tull
2017-07-27 19:10 ` Rob Herring
2017-07-27 19:10 ` Rob Herring
2017-07-31 21:40 ` Alan Tull
2017-07-31 21:40 ` Alan Tull
2017-08-01 8:43 ` Wu Hao
2017-08-01 8:43 ` Wu Hao
2017-08-01 21:04 ` Alan Tull
2017-08-02 14:07 ` Wu Hao
2017-08-02 21:01 ` Alan Tull
2017-08-02 21:01 ` Alan Tull
2017-08-07 15:13 ` Alan Tull
2017-08-07 15:13 ` Alan Tull
2017-07-27 16:44 ` Alan Tull
2017-07-28 7:55 ` Wu Hao
2017-07-28 7:55 ` Wu Hao
2017-06-26 1:51 ` [PATCH v2 03/22] fpga: bridge: remove OF dependency for fpga-bridge Wu Hao
2017-06-26 1:51 ` Wu Hao
2017-08-02 21:21 ` Alan Tull
2017-09-25 16:34 ` Moritz Fischer
2017-09-21 19:11 ` Moritz Fischer
2017-09-21 19:11 ` Moritz Fischer
2017-09-21 19:50 ` Alan Tull
2017-09-22 2:15 ` Wu Hao
2017-09-22 2:15 ` Wu Hao
2017-09-23 1:53 ` Alan Tull
2017-09-23 1:53 ` Alan Tull
2017-06-26 1:52 ` [PATCH v2 04/22] fpga: mgr: add region_id to fpga_image_info Wu Hao
2017-06-26 1:52 ` Wu Hao
2017-07-26 18:33 ` Alan Tull
2017-07-26 18:33 ` Alan Tull
2017-07-27 5:14 ` Wu Hao
2017-07-27 5:14 ` Wu Hao
2017-06-26 1:52 ` [PATCH v2 05/22] fpga: mgr: add status for fpga-mgr Wu Hao
2017-07-12 15:22 ` Alan Tull
2017-07-12 15:22 ` Alan Tull
2017-07-13 3:11 ` Wu Hao
2017-07-13 3:11 ` Wu Hao
2017-06-26 1:52 ` [PATCH v2 06/22] fpga: intel: add FPGA PCIe device driver Wu Hao
2017-08-07 20:43 ` Alan Tull
2017-08-14 12:33 ` Wu, Hao
2017-08-14 12:33 ` Wu, Hao
2017-08-14 12:33 ` Wu, Hao
2017-06-26 1:52 ` [PATCH v2 07/22] fpga: intel: pcie: parse feature list and create platform device for features Wu Hao
2017-06-26 18:42 ` Moritz Fischer
2017-06-27 3:17 ` Wu Hao
2017-06-27 15:34 ` Alan Tull
2017-06-27 15:34 ` Alan Tull
2017-07-13 17:52 ` Alan Tull
2017-07-13 17:52 ` Alan Tull
2017-07-14 9:22 ` Wu Hao
2017-07-14 9:22 ` Wu Hao
2017-07-17 19:15 ` Alan Tull
2017-07-18 2:29 ` Wu, Hao
2017-09-20 21:24 ` Alan Tull
2017-09-21 19:58 ` Alan Tull
2017-09-22 7:33 ` Wu Hao
2017-09-22 7:33 ` Wu Hao
2017-09-22 7:28 ` Wu Hao
2017-09-27 20:27 ` Alan Tull
2017-09-27 20:27 ` Alan Tull
2017-09-28 9:32 ` Wu Hao
2017-09-28 9:32 ` Wu Hao
2017-06-26 1:52 ` [PATCH v2 08/22] fpga: intel: pcie: add chardev support for feature devices Wu Hao
2017-06-26 1:52 ` [PATCH v2 09/22] fpga: intel: pcie: adds fpga_for_each_port callback for fme device Wu Hao
2017-06-26 1:52 ` Wu Hao
2017-08-17 21:31 ` Alan Tull
2017-08-18 7:03 ` Wu Hao
2017-08-18 7:03 ` Wu Hao
2017-06-26 1:52 ` [PATCH v2 10/22] fpga: intel: add feature device infrastructure Wu Hao
2017-06-26 1:52 ` Wu Hao
2017-06-26 1:52 ` [PATCH v2 11/22] fpga: intel: add FPGA Management Engine driver basic framework Wu Hao
2017-06-26 1:52 ` [PATCH v2 12/22] fpga: intel: fme: add header sub feature support Wu Hao
2017-06-26 1:52 ` Wu Hao
2017-07-17 18:53 ` Alan Tull
2017-07-18 1:17 ` Wu, Hao
2017-07-18 1:17 ` Wu, Hao
2017-07-18 14:33 ` Alan Tull
2017-07-18 14:33 ` Alan Tull
2017-06-26 1:52 ` [PATCH v2 13/22] fpga: intel: fme: add FPGA_GET_API_VERSION/CHECK_EXTENSION ioctls support Wu Hao
2017-08-17 19:11 ` Alan Tull
2017-06-26 1:52 ` [PATCH v2 14/22] fpga: intel: fme: add partial reconfiguration sub feature support Wu Hao
2017-06-26 1:52 ` Wu Hao
2017-06-26 1:52 ` [PATCH v2 15/22] fpga: intel: add fpga manager platform driver for FME Wu Hao
2017-09-25 21:24 ` Moritz Fischer
2017-09-27 1:18 ` Wu Hao
2017-09-27 1:18 ` Wu Hao
2017-09-27 18:54 ` Alan Tull
2017-09-28 8:25 ` Wu Hao
2017-09-28 8:25 ` Wu Hao
2017-06-26 1:52 ` [PATCH v2 16/22] fpga: intel: add fpga bridge " Wu Hao
2017-06-26 1:52 ` Wu Hao
2017-08-17 19:34 ` Alan Tull
2017-08-17 19:34 ` Alan Tull
2017-08-17 19:55 ` Moritz Fischer
2017-08-18 3:06 ` Wu Hao
2017-06-26 1:52 ` [PATCH v2 17/22] fpga: intel: add fpga region " Wu Hao
2017-07-12 16:09 ` Alan Tull
2017-07-12 16:09 ` Alan Tull
2017-07-13 2:31 ` Wu Hao
2017-07-13 2:31 ` Wu Hao
2017-06-26 1:52 ` [PATCH v2 18/22] fpga: intel: add FPGA Accelerated Function Unit driver basic framework Wu Hao
2017-06-26 1:52 ` Wu Hao
2017-08-17 19:00 ` Alan Tull
2017-08-17 19:00 ` Alan Tull
2017-08-18 6:40 ` Wu Hao
2017-08-18 6:40 ` Wu Hao
2017-08-17 19:09 ` Moritz Fischer
2017-08-18 6:42 ` Wu Hao
2017-08-18 6:42 ` Wu Hao
2017-06-26 1:52 ` [PATCH v2 19/22] fpga: intel: afu: add header sub feature support Wu Hao
2017-06-26 1:52 ` Wu Hao
2017-08-14 21:37 ` Alan Tull
2017-08-16 5:11 ` Wu, Hao
2017-08-16 5:11 ` Wu, Hao
2017-08-16 5:11 ` Wu, Hao
2017-08-17 21:41 ` Alan Tull
2017-06-26 1:52 ` [PATCH v2 20/22] fpga: intel: afu add FPGA_GET_API_VERSION/CHECK_EXTENSION ioctls support Wu Hao
2017-06-26 1:52 ` Wu Hao
2017-08-17 19:07 ` Alan Tull
2017-08-17 19:12 ` Moritz Fischer
2017-08-18 3:20 ` Wu Hao
2017-08-18 3:20 ` Wu Hao
2017-06-26 1:52 ` [PATCH v2 21/22] fpga: intel: afu: add user afu sub feature support Wu Hao
2017-06-26 1:52 ` Wu Hao
2017-06-26 1:52 ` [PATCH v2 22/22] fpga: intel: afu: add FPGA_PORT_DMA_MAP/UNMAP ioctls support Wu Hao
2017-06-26 1:52 ` Wu Hao
2017-07-31 21:41 ` Alan Tull
2017-08-01 7:21 ` Wu Hao
2017-08-01 7:21 ` Wu Hao
2017-08-01 18:15 ` Moritz Fischer
2017-08-02 7:30 ` Wu Hao
2017-08-02 7:30 ` Wu Hao
2017-07-28 13:28 ` [PATCH v2 00/22] Intel FPGA Device Drivers Alan Tull
2017-07-28 13:28 ` Alan Tull
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