[dpdk-dev] [PATCH] doc/windows_gsg: update section on driver installation

Kadam, Pallavi pallavi.kadam at intel.com
Mon Oct 11 18:33:45 CEST 2021


On 10/9/2021 1:20 PM, Dmitry Kozlyuk wrote:
> 2021-10-09 12:38 (UTC-0700), Kadam, Pallavi:
>> On 10/8/2021 2:11 PM, Dmitry Kozlyuk wrote:
>>> [...]
>>> +virt2phys
>>> +~~~~~~~~~
>>>    
>>> -1. From Device Manager, Action menu, select "Add legacy hardware".
>>> -2. It will launch the "Add Hardware Wizard". Click "Next".
>>> -3. Select second option "Install the hardware that I manually select
>>> -   from a list (Advanced)".
>>> -4. On the next screen, "Kernel bypass" will be shown as a device class.
>>> -5. Select it, and click "Next".
>>> -6. The previously installed drivers will now be installed for the
>>> -   "Virtual to physical address translator" device.
>>> +Access to physical addresses is provided by a kernel-mode driver, virt2phys.
>>> +It is mandatory for allocating physically-contiguous memory which is required
>>> +by hardware PMDs.
>> Should we add specific link to virt2phys README in this section as well?
>>
>> https://git.dpdk.org/dpdk-kmods/tree/windows/README.rst
> This link is given above and I consider it general information for all
> drivers. However, reading it carefully, I think docs in dpdk-kmods could be
> restructured as well:
> * Keep windows/README.rst unchanged, except for Device Manager steps,
>    which are actually specific to virt2phys.
> * Create windows/virt2phys/README.rst with instructions above.
> * Change windows/netuio/README.rst: remove the bulk of its content, as it
>    repeats generic instructions, keep netuio-specific Device Manager part.
> Then a specific link for virt2phys here would make sense
> and there will be even less duplication in dpdk-kmods.
> If no one objects, I'll do this in v2.
> Thanks!
Sounds good. Thanks, Dmitry!


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