[dpdk-dev] [PATCH V2 0/5] Introduce Intel FPGA BUS

Rosen Xu rosen.xu at intel.com
Wed Mar 21 08:51:29 CET 2018


Intel FPGA BUS in DPDK
-------------------------

This patch set introduces Intel FPGA BUS support in DPDK.

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.

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.

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
   - AFU Scan(2nd Scan) bind DPDK Driver to FPGA Partial-Bitstream

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.

Patch set Information
====================

This patch set includes 6 patches:
* 0 : Introduce the Intel FPGA BUS library and enable its compilation.
* 1 : Adds command parse code, for start-up application 
      with Intel FPGA BUS.
* 2 : Adds Driver Probe Code, for AFU Drivers should probed 
      after PCI Drivers.
* 3 : Adds Intel FPGA BUS library code, for AFU Device scan
      and AFU Drivers probe.
* 4 : Adds a Intel FPGA rawdevice driver, for FPGA Device Management 
      such as PR.
* 5 : Adds Intel OPAE(Open Programmable Acceleration Engine) Share Code, 
      it's Intel FPGA Software Stack.

Rosen Xu (5):
  Add Intel FPGA BUS Command Parse Code
  Add Intel FPGA BUS Probe Code
  Add Intel FPGA BUS Lib Code
  Add Intel FPGA BUS Rawdev Code
  Add Intel OPAE Share Code

 drivers/bus/ifpga/Makefile                         |   64 +
 drivers/bus/ifpga/ifpga_bus.c                      |  573 +++++++
 drivers/bus/ifpga/ifpga_common.c                   |  154 ++
 drivers/bus/ifpga/ifpga_common.h                   |   25 +
 drivers/bus/ifpga/ifpga_logs.h                     |   32 +
 drivers/bus/ifpga/rte_bus_ifpga.h                  |  141 ++
 drivers/bus/ifpga/rte_bus_ifpga_version.map        |    8 +
 drivers/raw/Makefile                               |    1 +
 drivers/raw/ifpga_rawdev/Makefile                  |   63 +
 drivers/raw/ifpga_rawdev/base/Makefile             |   54 +
 drivers/raw/ifpga_rawdev/base/ifpga_api.c          |  543 +++++++
 drivers/raw/ifpga_rawdev/base/ifpga_api.h          |   77 +
 drivers/raw/ifpga_rawdev/base/ifpga_compat.h       |   84 +
 drivers/raw/ifpga_rawdev/base/ifpga_defines.h      | 1696 ++++++++++++++++++++
 drivers/raw/ifpga_rawdev/base/ifpga_enumerate.c    |  861 ++++++++++
 drivers/raw/ifpga_rawdev/base/ifpga_enumerate.h    |   38 +
 drivers/raw/ifpga_rawdev/base/ifpga_feature_dev.c  |  340 ++++
 drivers/raw/ifpga_rawdev/base/ifpga_feature_dev.h  |  197 +++
 drivers/raw/ifpga_rawdev/base/ifpga_fme.c          |  763 +++++++++
 drivers/raw/ifpga_rawdev/base/ifpga_fme_dperf.c    |  328 ++++
 drivers/raw/ifpga_rawdev/base/ifpga_fme_error.c    |  430 +++++
 drivers/raw/ifpga_rawdev/base/ifpga_fme_iperf.c    |  742 +++++++++
 drivers/raw/ifpga_rawdev/base/ifpga_fme_pr.c       |  395 +++++
 drivers/raw/ifpga_rawdev/base/ifpga_hw.h           |  152 ++
 drivers/raw/ifpga_rawdev/base/ifpga_port.c         |  730 +++++++++
 drivers/raw/ifpga_rawdev/base/ifpga_port_error.c   |  236 +++
 drivers/raw/ifpga_rawdev/base/opae_debug.c         |  126 ++
 drivers/raw/ifpga_rawdev/base/opae_debug.h         |   46 +
 drivers/raw/ifpga_rawdev/base/opae_hw_api.c        |  389 +++++
 drivers/raw/ifpga_rawdev/base/opae_hw_api.h        |  276 ++++
 drivers/raw/ifpga_rawdev/base/opae_ifpga_hw_api.c  |  151 ++
 drivers/raw/ifpga_rawdev/base/opae_ifpga_hw_api.h  |  293 ++++
 drivers/raw/ifpga_rawdev/base/opae_osdep.h         |  111 ++
 .../ifpga_rawdev/base/osdep_raw/osdep_generic.h    |  104 ++
 .../ifpga_rawdev/base/osdep_rte/osdep_generic.h    |   72 +
 drivers/raw/ifpga_rawdev/ifpga_rawdev.c            |  486 ++++++
 drivers/raw/ifpga_rawdev/ifpga_rawdev.h            |   38 +
 drivers/raw/ifpga_rawdev/ifpga_rawdev_example.c    |   99 ++
 .../ifpga_rawdev/rte_pmd_ifpga_rawdev_version.map  |    4 +
 lib/librte_eal/common/eal_common_bus.c             |   14 +-
 lib/librte_eal/common/eal_common_options.c         |    8 +-
 lib/librte_eal/common/eal_options.h                |    2 +
 42 files changed, 10944 insertions(+), 2 deletions(-)
 create mode 100644 drivers/bus/ifpga/Makefile
 create mode 100644 drivers/bus/ifpga/ifpga_bus.c
 create mode 100644 drivers/bus/ifpga/ifpga_common.c
 create mode 100644 drivers/bus/ifpga/ifpga_common.h
 create mode 100644 drivers/bus/ifpga/ifpga_logs.h
 create mode 100644 drivers/bus/ifpga/rte_bus_ifpga.h
 create mode 100644 drivers/bus/ifpga/rte_bus_ifpga_version.map
 create mode 100644 drivers/raw/ifpga_rawdev/Makefile
 create mode 100644 drivers/raw/ifpga_rawdev/base/Makefile
 create mode 100644 drivers/raw/ifpga_rawdev/base/ifpga_api.c
 create mode 100644 drivers/raw/ifpga_rawdev/base/ifpga_api.h
 create mode 100644 drivers/raw/ifpga_rawdev/base/ifpga_compat.h
 create mode 100644 drivers/raw/ifpga_rawdev/base/ifpga_defines.h
 create mode 100644 drivers/raw/ifpga_rawdev/base/ifpga_enumerate.c
 create mode 100644 drivers/raw/ifpga_rawdev/base/ifpga_enumerate.h
 create mode 100644 drivers/raw/ifpga_rawdev/base/ifpga_feature_dev.c
 create mode 100644 drivers/raw/ifpga_rawdev/base/ifpga_feature_dev.h
 create mode 100644 drivers/raw/ifpga_rawdev/base/ifpga_fme.c
 create mode 100644 drivers/raw/ifpga_rawdev/base/ifpga_fme_dperf.c
 create mode 100644 drivers/raw/ifpga_rawdev/base/ifpga_fme_error.c
 create mode 100644 drivers/raw/ifpga_rawdev/base/ifpga_fme_iperf.c
 create mode 100644 drivers/raw/ifpga_rawdev/base/ifpga_fme_pr.c
 create mode 100644 drivers/raw/ifpga_rawdev/base/ifpga_hw.h
 create mode 100644 drivers/raw/ifpga_rawdev/base/ifpga_port.c
 create mode 100644 drivers/raw/ifpga_rawdev/base/ifpga_port_error.c
 create mode 100644 drivers/raw/ifpga_rawdev/base/opae_debug.c
 create mode 100644 drivers/raw/ifpga_rawdev/base/opae_debug.h
 create mode 100644 drivers/raw/ifpga_rawdev/base/opae_hw_api.c
 create mode 100644 drivers/raw/ifpga_rawdev/base/opae_hw_api.h
 create mode 100644 drivers/raw/ifpga_rawdev/base/opae_ifpga_hw_api.c
 create mode 100644 drivers/raw/ifpga_rawdev/base/opae_ifpga_hw_api.h
 create mode 100644 drivers/raw/ifpga_rawdev/base/opae_osdep.h
 create mode 100644 drivers/raw/ifpga_rawdev/base/osdep_raw/osdep_generic.h
 create mode 100644 drivers/raw/ifpga_rawdev/base/osdep_rte/osdep_generic.h
 create mode 100644 drivers/raw/ifpga_rawdev/ifpga_rawdev.c
 create mode 100644 drivers/raw/ifpga_rawdev/ifpga_rawdev.h
 create mode 100644 drivers/raw/ifpga_rawdev/ifpga_rawdev_example.c
 create mode 100644 drivers/raw/ifpga_rawdev/rte_pmd_ifpga_rawdev_version.map

-- 
1.8.3.1



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