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From: Gaetan Rivet <gaetan.rivet@6wind.com>
To: dev@dpdk.org
Cc: Gaetan Rivet <gaetan.rivet@6wind.com>, Jan Blunck <jblunck@infradead.org>,
Stephen Hemminger <stephen@networkplumber.org>,
Maxime Coquelin <maxime.coquelin@redhat.com>,
Jerin Jacob <jerin.jacob@caviumnetworks.com>,
David Marchand <david.marchand@6wind.com>
Date: Thu, 8 Jun 2017 01:56:46 +0200
Message-Id: <cover.1496876859.git.gaetan.rivet@6wind.com>
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Subject: [dpdk-dev] [PATCH v4 00/19] Generic devargs parsing
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The second part of the work outlined in [1] and [2]. The first part is
at [3].
In this patchset, the representation of devices in rte_devargs is made generic
to remove some dependencies of the EAL on specific buses implementations.
Following the device types being characterized by their bus, the DEVTYPE
flags are updated not to reference virtual / PCI devices anymore.
The device type was one of two elements expressed by these flags and the
bus handle only covers one. The second is the bus scan behavior, namely
"whitelist mode" or "blacklist mode".
These two modes are consequently introduced as bus scan policies, expressed
within a bus configuration structure.
Finally, once all specialized parts have been removed from rte_devargs,
a cleaner rte_devargs parser is proposed. This parser should allow
following further changes without having to update its API, and is
already available for third parties to build rte_devargs structures from
device declarations.
With this patchset, it is now possible to use any device type on the EAL
command line, with either the -w or -b parameters. The bus name can be
used to explicitly ask for one bus to handle a device if there is any
ambiguity.
Buses needs only to implement the "parse" method for their devices to be
declared in this way.
[1]: http://dpdk.org/ml/archives/dev/2017-May/065634.html
[2]: http://dpdk.org/ml/archives/dev/2017-May/065670.html
[3]: http://dpdk.org/ml/archives/dev/2017-May/066341.html
This patchset depends on:
[PATCH 0/9] rte_bus parse API
http://dpdk.org/ml/archives/dev/2017-May/066341.html
http://dpdk.org/dev/patchwork/patch/24499/
v1 -> v2:
* fix PCI whitelist mode
v2 -> v3:
* Rebase the series on the new plug / unplug API
v3 -> v4:
* Fix rte_devargs parsing helper
* Introduce new rte_devargs clone function
* Introduce new rte_devargs release function
* Fix test application for rte_devargs.
TODO: rewrite complete rte_devargs autotest.
* Fix a few rte_pci references.
* Update EAL command line help for -w / -b
Gaetan Rivet (19):
net/bonding: properly reference PCI header
net/bnxt: properly reference PCI header
net/mlx5: properly reference PCI header
net/e1000: properly reference PCI header
net/ixgbe: properly reference PCI header
net/sfc: properly reference PCI header
app/testpmd: properly reference PCI header
test: properly reference PCI header
dev: device kernel module is a device attribute
bus: introduce bus scan policies
devargs: parse bus policies
devargs: generic device representation
pci: update device name
net/virtio: do not reference device type
devargs: generic device types
devargs: introduce cleaner parsing helper
devargs: clone function
devargs: remove function
eal: change whitelist / blacklist command line doc
app/test-pmd/testpmd.c | 9 +-
app/test-pmd/testpmd.h | 2 +
doc/guides/rel_notes/deprecation.rst | 5 +
drivers/net/bnxt/bnxt.h | 1 +
drivers/net/bonding/rte_eth_bond_args.c | 1 +
drivers/net/e1000/e1000_ethdev.h | 1 +
drivers/net/ixgbe/ixgbe_ethdev.h | 1 +
drivers/net/mlx5/mlx5.h | 1 +
drivers/net/sfc/sfc.h | 1 +
drivers/net/virtio/virtio_pci.c | 5 +-
lib/librte_eal/bsdapp/eal/rte_eal_version.map | 2 +
lib/librte_eal/common/eal_common_devargs.c | 178 ++++++++++++++++--------
lib/librte_eal/common/eal_common_options.c | 31 ++---
lib/librte_eal/common/eal_common_pci.c | 16 ++-
lib/librte_eal/common/eal_common_vdev.c | 18 ++-
lib/librte_eal/common/eal_options.h | 8 +-
lib/librte_eal/common/include/rte_bus.h | 17 +++
lib/librte_eal/common/include/rte_dev.h | 12 ++
lib/librte_eal/common/include/rte_devargs.h | 68 ++++++---
lib/librte_eal/common/include/rte_pci.h | 9 --
lib/librte_eal/common/include/rte_vdev.h | 2 +-
lib/librte_eal/linuxapp/eal/rte_eal_version.map | 2 +
test/test/test_devargs.c | 45 +++---
test/test/virtual_pmd.c | 1 +
24 files changed, 278 insertions(+), 158 deletions(-)
--
2.1.4