From: "Gaëtan Rivet" <gaetan.rivet@6wind.com>
To: Rosen Xu <rosen.xu@intel.com>
Cc: dev@dpdk.org, declan.doherty@intel.com,
bruce.richardson@intel.com, shreyansh.jain@nxp.com,
tianfei.zhang@intel.com, hao.wu@intel.com
Subject: Re: [dpdk-dev] [PATCH v3 0/6] Introduce Intel FPGA BUS
Date: Wed, 28 Mar 2018 15:17:44 +0200 [thread overview]
Message-ID: <20180328131744.svqja2g2igfrj642@bidouze.vm.6wind.com> (raw)
In-Reply-To: <1522229396-17898-1-git-send-email-rosen.xu@intel.com>
Hi Rosen,
On Wed, Mar 28, 2018 at 05:29:50PM +0800, Rosen Xu wrote:
> Intel FPGA BUS in DPDK
> -------------------------
>
> This patch set introduces Intel FPGA BUS support in DPDK.
>
> v3 updates:
> ===========
> - Remove all modifications of bus scan and probe
> - FPGA BUS Scan is trigged by hotplug of Rawdev
> - Took Modifications of comments
> - Move AFU Device to IFPGA
> - FPGA BUS Scan depend on it¡¯s IFPGA Rawdev
> - Add Build Macros for FPGA BUS and IFPGA Rawdev
>
> Questions
> =========
> Why not PCI Bus?
> All of the AFUs of one FPGA may share same PCI BDF.
> Why not vdev Bus?
> Because AFUs depend on Rawdev, and it's hardware specpic.
>
> Motivation
> ==========
> FPGA is used more and more widely in Cloud and NFV, one primary reason is
> that FPGA not only provide ASIC performance but also it's more flexible
> than ASIC. FPGA use Partial Reconfigure(PR) Parts of Bitstream to achieve
> its flexibility. Another reason is that one FPGA can be shared
> by different Users, and each User can use some of AFUs of One FPGA.
>
> That means One FPGA Device Bitstream is divided into many Parts of
> Bitstream(each Part of Bitstream is defined as AFU-Accelerated
> Function Unit), and each AFU is a Hardware Acceleration Unit and
> it can dynamically Reload respectively.
>
> Proposed Solution
> =================
> - Involve Rawdev to take FPGA Partial Configuration(Download/PR)
> - Defined FPGA-BUS for Acceleration Drivers of AFUs
> - FPGA PCI Scan(1st Scan) follows DPDK UIO/VFIO PCI Scan Process,
> probe Intel FPGA Rawdev Driver. FPGA-BUS scan is called, but AFU
> depend on Rawdev, so this scan doesn't trig AFU device create.
> - AFU Scan(2nd Scan) bind DPDK Driver to FPGA Partial-Bitstream.
> This scan is trigged by hotplug of IFPGA Rawdev probe, in this
> scan the AFUs will be created and their dirves are also probed.
>
> Scope
> =====
> The Intel FPGA BUS implementation is target towards various FPGA Devices
> use PR to provide many Acceleration Function. Specific PMDs may also
> bind to its AFU. And Applications don't care they are using ASIC
> Acceleration or FPGA AFU Acceleration.
>
>
> Status
> =====
> With integrating Intel PSG FPGA Software Stack OPAE(Open Programmable
> Acceleration Engine) Share Code, Intel FPGA BUS runs well in
> Intel PSG FPGA Cards.
>
Which compiler did you use and in which version? With GCC 6.3 I got these
errors:
== Build drivers/raw/ifpga_rawdev
CC skeleton_rawdev.o
CC skeleton_rawdev_test.o
CC ifpga_api.o
CC ifpga_enumerate.o
/home/rivet/dev/dpdk.org/drivers/raw/ifpga_rawdev/base/ifpga_enumerate.c: In function ‘parse_feature_afus’:
/home/rivet/dev/dpdk.org/drivers/raw/ifpga_rawdev/base/ifpga_enumerate.c:334:3: error: this ‘if’ clause does not guard... [-Werror=misleading-indentation]
if (feature_is_UAFU(binfo))
^~
/home/rivet/dev/dpdk.org/drivers/raw/ifpga_rawdev/base/ifpga_enumerate.c:336:4: note: ...this statement, but the latter is misleadinglyindented as if it is guarded by the ‘if’
if (ret)
^~
CC ifpga_feature_dev.o
/home/rivet/dev/dpdk.org/drivers/raw/ifpga_rawdev/base/ifpga_feature_dev.c: In function ‘port_hw_init’:
/home/rivet/dev/dpdk.org/drivers/raw/ifpga_rawdev/base/ifpga_feature_dev.c:272:3: error: this ‘if’ clause does not guard... [-Werror=misleading-indentation]
if (feature->ops && feature->ops->init)
^~
/home/rivet/dev/dpdk.org/drivers/raw/ifpga_rawdev/base/ifpga_feature_dev.c:274:4: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘if’
if (ret) {
^~
cc1: all warnings being treated as errors
--
Gaëtan Rivet
6WIND
next prev parent reply other threads:[~2018-03-28 13:17 UTC|newest]
Thread overview: 149+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-20 13:45 [dpdk-dev] [PATCH V1 0/5] " Rosen Xu
2018-03-20 13:45 ` [dpdk-dev] [PATCH V1 1/5] Add Intel FPGA BUS Command Parse Code Rosen Xu
2018-03-20 13:45 ` [dpdk-dev] [PATCH V1 2/5] Add Intel FPGA BUS Probe Code Rosen Xu
2018-03-20 13:45 ` [dpdk-dev] [PATCH V1 3/5] Add Intel FPGA BUS Lib Code Rosen Xu
2018-03-20 13:45 ` [dpdk-dev] [PATCH V1 4/5] Add Intel FPGA BUS Rawdev Code Rosen Xu
2018-03-20 13:45 ` [dpdk-dev] [PATCH V1 5/5] Add Intel OPAE Share Code Rosen Xu
2018-03-20 14:58 ` [dpdk-dev] [PATCH V1 0/5] Introduce Intel FPGA BUS Gaëtan Rivet
2018-03-28 9:29 ` [dpdk-dev] [PATCH v3 0/6] " Rosen Xu
2018-03-28 9:29 ` [dpdk-dev] [PATCH v3 1/6] Add Intel FPGA BUS Command Parse Code Rosen Xu
2018-03-28 13:26 ` Gaëtan Rivet
2018-03-31 16:25 ` Xu, Rosen
2018-04-04 1:58 ` Xu, Rosen
2018-03-28 9:29 ` [dpdk-dev] [PATCH v3 2/6] config/common_base: Add Intel FPGA Build Configuration Macro Rosen Xu
2018-03-28 13:27 ` Gaëtan Rivet
2018-03-31 16:26 ` Xu, Rosen
2018-04-04 2:01 ` Xu, Rosen
2018-03-28 9:29 ` [dpdk-dev] [PATCH v3 3/6] mk/rte.app.mk: Add Intel FPGA Bus Build Configuration Macro To App Script Rosen Xu
2018-03-28 13:28 ` Gaëtan Rivet
2018-03-31 16:27 ` Xu, Rosen
2018-04-04 2:02 ` Xu, Rosen
2018-03-28 9:29 ` [dpdk-dev] [PATCH v3 4/6] drivers/bus: Add Intel FPGA Bus Lib Code Rosen Xu
2018-03-28 13:52 ` Gaëtan Rivet
2018-03-31 16:31 ` Xu, Rosen
2018-04-02 4:25 ` Xu, Rosen
2018-04-02 4:31 ` Xu, Rosen
2018-04-04 4:01 ` Xu, Rosen
2018-03-28 9:29 ` [dpdk-dev] [PATCH v3 5/6] drivers/raw/ifpga_rawdev: Add Intel FPGA Rawdev Driver Code Rosen Xu
2018-03-28 9:29 ` [dpdk-dev] [PATCH v3 6/6] drivers/raw/ifpga_rawdev: Add Intel FPGA OPAE Share Code Rosen Xu
2018-03-28 9:37 ` [dpdk-dev] [PATCH v3 0/6] Introduce Intel FPGA BUS Bruce Richardson
2018-03-28 13:17 ` Gaëtan Rivet [this message]
2018-03-28 16:15 ` Zhang, Tianfei
2018-04-04 1:57 ` Xu, Rosen
2018-03-31 16:02 ` [dpdk-dev] [PATCH v4 0/3] " Rosen Xu
2018-03-31 16:03 ` [dpdk-dev] [PATCH v4 1/3] Add Intel FPGA BUS Lib Code Rosen Xu
2018-04-03 9:25 ` Shreyansh Jain
2018-04-04 1:44 ` Xu, Rosen
2018-03-31 16:03 ` [dpdk-dev] [PATCH v4 2/3] Add Intel FPGA BUS Rawdev Driver Rosen Xu
2018-04-03 9:34 ` Shreyansh Jain
2018-04-04 1:49 ` Xu, Rosen
2018-04-04 11:31 ` Shreyansh Jain
2018-04-26 10:47 ` Xu, Rosen
2018-03-31 16:03 ` [dpdk-dev] [PATCH v4 3/3] Add Intel FPGA OPAE Share Code Rosen Xu
2018-04-04 6:51 ` [dpdk-dev] [PATCH v5 0/3] Introduce Intel FPGA BUS Rosen Xu
2018-04-04 6:51 ` [dpdk-dev] [PATCH v5 1/3] Add Intel FPGA BUS Library Rosen Xu
2018-04-04 9:55 ` Bruce Richardson
2018-04-04 6:51 ` [dpdk-dev] [PATCH v5 2/3] Add Intel FPGA BUS Rawdev Driver Rosen Xu
2018-04-04 6:51 ` [dpdk-dev] [PATCH v5 3/3] Add Intel FPGA OPAE Share Code Rosen Xu
2018-04-04 11:59 ` Hemant Agrawal
2018-04-26 10:45 ` Xu, Rosen
2018-04-04 10:14 ` [dpdk-dev] [PATCH v5 0/3] Introduce Intel FPGA BUS Shreyansh Jain
2018-04-04 10:38 ` Richardson, Bruce
2018-04-04 11:11 ` Shreyansh Jain
2018-04-26 9:43 ` [dpdk-dev] [PATCH v6 0/5] " Xu, Rosen
2018-04-26 9:43 ` [dpdk-dev] [PATCH v6 1/5] iFPGA: Add Intel FPGA BUS Library Xu, Rosen
2018-05-02 13:14 ` Shreyansh Jain
2018-05-02 13:33 ` Zhang, Tianfei
2018-05-03 3:58 ` Tan, Jianfeng
2018-05-03 8:12 ` Tan, Jianfeng
2018-05-03 8:35 ` Zhang, Tianfei
2018-04-26 9:43 ` [dpdk-dev] [PATCH v6 2/5] iFPGA: Add Intel FPGA OPAE Share Code Xu, Rosen
2018-04-26 9:43 ` [dpdk-dev] [PATCH v6 3/5] iFPGA: Add Intel FPGA BUS Rawdev Driver Xu, Rosen
2018-05-04 9:14 ` Shreyansh Jain
2018-05-04 9:04 ` Zhang, Tianfei
2018-04-26 9:43 ` [dpdk-dev] [PATCH v6 4/5] iFPGA: add meson build Xu, Rosen
2018-05-02 9:46 ` Shreyansh Jain
2018-05-02 13:36 ` Zhang, Tianfei
2018-05-03 9:13 ` Shreyansh Jain
2018-05-03 15:12 ` Zhang, Tianfei
2018-04-26 9:43 ` [dpdk-dev] [PATCH v6 5/5] iFPGA: add document for iFPGA driver Xu, Rosen
2018-05-04 14:10 ` [dpdk-dev] [PATCH v7 0/5] Introduce Intel FPGA BUS Xu, Rosen
2018-05-04 14:10 ` [dpdk-dev] [PATCH v7 1/5] bus/ifpga: Add Intel FPGA BUS Library Xu, Rosen
2018-05-04 14:10 ` [dpdk-dev] [PATCH v7 2/5] iFPGA: Add Intel FPGA OPAE Share Code Xu, Rosen
2018-05-04 14:11 ` [dpdk-dev] [PATCH v7 3/5] iFPGA: Add Intel FPGA BUS Rawdev Driver Xu, Rosen
2018-05-05 18:42 ` Shreyansh Jain
2018-05-06 0:28 ` Zhang, Tianfei
2018-05-05 19:09 ` Shreyansh Jain
2018-05-06 0:52 ` Zhang, Tianfei
2018-05-04 14:11 ` [dpdk-dev] [PATCH v7 4/5] iFPGA: add meson build Xu, Rosen
2018-05-05 18:21 ` Shreyansh Jain
2018-05-06 0:27 ` Zhang, Tianfei
2018-05-04 14:11 ` [dpdk-dev] [PATCH v7 5/5] iFPGA: add document for iFPGA driver Xu, Rosen
2018-05-05 19:19 ` Shreyansh Jain
2018-05-06 8:40 ` [dpdk-dev] [PATCH v8 0/5] Introduce Intel FPGA BUS Xu, Rosen
2018-05-06 8:40 ` [dpdk-dev] [PATCH v8 1/5] bus/ifpga: Add Intel FPGA BUS Library Xu, Rosen
2018-05-06 8:40 ` [dpdk-dev] [PATCH v8 2/5] iFPGA: Add Intel FPGA OPAE Share Code Xu, Rosen
2018-05-06 8:40 ` [dpdk-dev] [PATCH v8 3/5] iFPGA: Add Intel FPGA BUS Rawdev Driver Xu, Rosen
2018-05-06 8:40 ` [dpdk-dev] [PATCH v8 4/5] iFPGA: add meson build Xu, Rosen
2018-05-06 8:40 ` [dpdk-dev] [PATCH v8 5/5] iFPGA: add document for iFPGA driver Xu, Rosen
2018-05-06 11:54 ` Shreyansh Jain
2018-05-06 14:24 ` Zhang, Tianfei
2018-05-08 14:18 ` [dpdk-dev] [PATCH v9 0/4] Introduce Intel FPGA BUS Xu, Rosen
2018-05-08 14:19 ` [dpdk-dev] [PATCH v9 1/4] bus/ifpga: Add Intel FPGA BUS Library Xu, Rosen
2018-05-08 14:42 ` Thomas Monjalon
2018-05-09 1:25 ` Xu, Rosen
2018-05-08 14:19 ` [dpdk-dev] [PATCH v9 2/4] iFPGA: Add Intel FPGA OPAE Share Code Xu, Rosen
2018-05-08 14:45 ` Thomas Monjalon
2018-05-09 1:24 ` Xu, Rosen
2018-05-08 14:19 ` [dpdk-dev] [PATCH v9 3/4] iFPGA: Add Intel FPGA BUS Rawdev Driver Xu, Rosen
2018-05-08 14:19 ` [dpdk-dev] [PATCH v9 4/4] iFPGA: add document for iFPGA driver Xu, Rosen
2018-05-08 14:49 ` Thomas Monjalon
2018-05-09 7:43 ` [dpdk-dev] [PATCH v10 0/3] Introduce Intel FPGA BUS Xu, Rosen
2018-05-09 7:43 ` [dpdk-dev] [PATCH v10 1/3] bus/ifpga: Add Intel FPGA BUS Library Xu, Rosen
2018-05-10 8:43 ` Wu, Jingjing
2018-05-10 12:20 ` Xu, Rosen
2018-05-10 22:39 ` Wu, Jingjing
2018-05-11 3:18 ` Xu, Rosen
2018-05-10 12:26 ` Zhang, Qi Z
2018-05-10 13:29 ` Xu, Rosen
2018-05-10 13:48 ` Zhang, Qi Z
2018-05-10 13:58 ` Xu, Rosen
2018-05-10 14:11 ` Zhang, Qi Z
2018-05-10 13:51 ` Xu, Rosen
2018-05-10 13:58 ` Zhang, Qi Z
2018-05-10 14:49 ` Thomas Monjalon
2018-05-09 7:43 ` [dpdk-dev] [PATCH v10 2/3] iFPGA: Add Intel FPGA OPAE Share Code Xu, Rosen
2018-05-09 7:43 ` [dpdk-dev] [PATCH v10 3/3] iFPGA: Add Intel FPGA BUS Rawdev Driver Xu, Rosen
2018-05-09 14:47 ` Thomas Monjalon
2018-05-09 15:33 ` Zhang, Tianfei
2018-05-09 15:37 ` Bruce Richardson
2018-05-09 15:57 ` Zhang, Tianfei
2018-05-10 13:31 ` Xu, Rosen
2018-05-10 9:21 ` Wu, Jingjing
2018-05-10 13:16 ` Xu, Rosen
2018-05-11 3:21 ` Xu, Rosen
2018-05-10 14:24 ` Zhang, Qi Z
2018-05-11 3:16 ` Xu, Rosen
2018-05-11 5:36 ` Zhang, Qi Z
2018-05-10 14:00 ` [dpdk-dev] [PATCH v11 0/3] Introduce Intel FPGA BUS Xu, Rosen
2018-05-10 14:00 ` [dpdk-dev] [PATCH v11 1/3] bus/ifpga: Add Intel FPGA BUS Library Xu, Rosen
2018-05-10 14:00 ` [dpdk-dev] [PATCH v11 2/3] iFPGA: Add Intel FPGA OPAE Share Code Xu, Rosen
2018-05-10 14:00 ` [dpdk-dev] [PATCH v11 3/3] iFPGA: Add Intel FPGA BUS Rawdev Driver Xu, Rosen
2018-05-11 8:31 ` [dpdk-dev] [PATCH v12 0/3] Introduce Intel FPGA BUS Xu, Rosen
2018-05-11 8:31 ` [dpdk-dev] [PATCH v12 1/3] bus/ifpga: Add Intel FPGA BUS Library Xu, Rosen
2018-05-11 8:31 ` [dpdk-dev] [PATCH v12 2/3] iFPGA: Add Intel FPGA OPAE Share Code Xu, Rosen
2018-05-11 8:31 ` [dpdk-dev] [PATCH v12 3/3] iFPGA: Add Intel FPGA BUS Rawdev Driver Xu, Rosen
2018-05-11 12:11 ` [dpdk-dev] [PATCH v12 0/3] Introduce Intel FPGA BUS Zhang, Qi Z
2018-05-11 13:45 ` Xu, Rosen
2018-05-11 15:12 ` Thomas Monjalon
2018-05-14 9:58 ` [dpdk-dev] [PATCH] raw/ifpga/base: fix compile error on ia32 icc compiler Xu, Rosen
2018-05-14 10:20 ` De Lara Guarch, Pablo
2018-05-14 10:32 ` Thomas Monjalon
2018-05-16 13:48 ` [dpdk-dev] [PATCH] drivers/bus/ifpga/: fix Coverity issue Rosen Xu
2018-05-21 14:00 ` [dpdk-dev] [dpdk-stable] " Thomas Monjalon
2018-05-22 10:26 ` [dpdk-dev] [PATCH v2 0/3] Fix bus/ifpga coverity issue: 279455, 279459 and 279454 Rosen Xu
2018-05-22 10:26 ` [dpdk-dev] [PATCH v2 1/3] bus/ifpga: fix error control flow issue Rosen Xu
2018-05-22 10:26 ` [dpdk-dev] [PATCH v2 2/3] bus/ifpga: fix resource leaks issue Rosen Xu
2018-05-22 10:26 ` [dpdk-dev] [PATCH v2 3/3] bus/ifpga: fix null pointer dereferences issue Rosen Xu
2018-05-22 15:15 ` [dpdk-dev] [PATCH v2 0/3] Fix bus/ifpga coverity issue: 279455, 279459 and 279454 Thomas Monjalon
2018-05-23 0:26 ` Xu, Rosen
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