[dpdk-dev] [PATCH] doc: announce API changes for device objects

David Marchand david.marchand at 6wind.com
Thu Apr 7 19:00:43 CEST 2016


On Thu, Apr 7, 2016 at 5:46 PM, Jan Viktorin <viktorin at rehivetech.com> wrote:
> On Thu,  7 Apr 2016 17:33:17 +0200
> David Marchand <david.marchand at 6wind.com> wrote:
>
>> Following discussions with Jan, here is a deprecation notice to prepare for
>> hotplug and rte_device changes to come in 16.07.
>>
>> Signed-off-by: David Marchand <david.marchand at 6wind.com>
>> ---
>>  doc/guides/rel_notes/deprecation.rst | 12 ++++++++++++
>>  1 file changed, 12 insertions(+)
>>
>> diff --git a/doc/guides/rel_notes/deprecation.rst b/doc/guides/rel_notes/deprecation.rst
>> index 98d5529..d749e5d 100644
>> --- a/doc/guides/rel_notes/deprecation.rst
>> +++ b/doc/guides/rel_notes/deprecation.rst
>> @@ -8,6 +8,18 @@ API and ABI deprecation notices are to be posted here.
>>  Deprecation Notices
>>  -------------------
>>
>> +* The ethdev hotplug API is going to be moved to EAL with a notification
>> +  mechanism added to crypto and ethdev libraries so that hotplug is now
>> +  available to both of them. This API will be stripped of the device arguments
>> +  so that it only cares about hotplugging.
>> +
>> +* Structures embodying pci and vdev devices are going to be reworked to
>> +  integrate new common rte_device / rte_driver objects (see
>> +  http://dpdk.org/ml/archives/dev/2016-January/031390.html).
>> +  ethdev and crypto libraries will then only handle those objects so that they
>> +  do not need to care about the kind of devices that are being used, making it
>> +  easier to add new buses later.
>
> As a result, the current rte_driver structure will be renamed to
> rte_module and probably reworked in some way due to its semantics and
> potential name clash with the new rte_driver struct.

If we just introduce some macros like RTE_MODULE_INIT() /
RTE_MODULE_EXIT(), we don't need a rte_module object at the moment ?

-- 
David Marchand


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