From: matthew.gerlach@linux.intel.com
To: linux-fpga@vger.kernel.org, linux-kernel@vger.kernel.org,
mdf@kernel.org, hao.wu@intel.com, trix@redhat.com,
linux-doc@vger.kernel.org, corbet@lwn.net
Cc: Matthew Gerlach <matthew.gerlach@linux.intel.com>
Subject: [PATCH v4 0/2] fpga: dfl: optional VSEC for start of dfl
Date: Thu, 3 Dec 2020 09:15:46 -0800 [thread overview]
Message-ID: <20201203171548.1538178-1-matthew.gerlach@linux.intel.com> (raw)
From: Matthew Gerlach <matthew.gerlach@linux.intel.com>
The start of a Device Feature List (DFL) is currently assumed to be at
Bar0/Offset 0 on the PCIe bus by drivers/fpga/dfl-pci.c. This patchset
adds support for the start one or more DFLs to be specified in a
Vendor-Specific Capability (VSEC) structure in PCIe config space. If no
such VSEC structure exists, then the start is assumed to be
Bar0/Offset 0 for backward compatibility.
Matthew Gerlach (2):
fpga: dfl: refactor cci_enumerate_feature_devs()
fpga: dfl-pci: locate DFLs by PCIe vendor specific capability
Documentation/fpga/dfl.rst | 27 ++++++
drivers/fpga/dfl-pci.c | 165 +++++++++++++++++++++++++++++--------
2 files changed, 157 insertions(+), 35 deletions(-)
--
2.25.2
next reply other threads:[~2020-12-03 17:16 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-03 17:15 matthew.gerlach [this message]
2020-12-03 17:15 ` [PATCH v4 1/2] fpga: dfl: refactor cci_enumerate_feature_devs() matthew.gerlach
2020-12-03 17:15 ` [PATCH v4 2/2] fpga: dfl-pci: locate DFLs by PCIe vendor specific capability matthew.gerlach
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