On 19/07/22 5:42 pm, Thomas Monjalon <tho...@monjalon.net> wrote:
18/07/2022 20:15, aman.ku...@vvdntech.in:
> On 07/07/22 7:49 pm, Hemant Agrawal <hemant.agra...@oss.nxp.com> wrote:
>>
>> On 7/7/2022 7:45 PM, Thomas Monjalon wrote:
>>> 07/07/2022 15:55, Aman Kumar:
>>>> On 07/07/22 12:27 pm, Thomas Monjalon wrote:
>>>>> 06/07/2022 09:51, Aman Kumar:
>>>>>> This patch series provides net PMD for VVDN's NR(5G) Hi-PHY
>>>>>> solution over
>>>>>> T1 telco card. These telco accelerator NIC cards are targeted for
>>>>>> ORAN DU
>>>>>> systems to offload inline NR Hi-PHY (split 7.2) operations. For the
>>>>>> DU host,
>>>>>> the cards typically appears as a basic NIC device. The device is
>>>>>> based on
>>>>>> AMD/Xilinx's Ultrasale MPSoC and RFSoC FPGA for which the inline
>>>>>> Hi-PHY IP
>>>>>> is developed by VVDN Technologies Private Limited.
>>>>>> PCI_VENDOR: 0x1f44, Supported Devices: 0x0201, 0x0281
>>>>>>
>>>>>> Hardware-specs:
>>>>>>
https://www.xilinx.com/publications/product-briefs/xilinx-t1-product-brief.pdf
>>>>>>
>>>>>>
>>>>>> - This series is an RFC and target for DPDK v22.11.
>>>>>> - Currently, the PMD is supported only for x86_64 host.
>>>>>> - Build machine used: Fedora 36 with gcc 12.1.1
>>>>>> - The device communicates to host over AMD/Xilinx's QDMA subsystem for
>>>>>> PCIe interface. Link: https://docs.xilinx.com/r/en-US/pg302-qdma
>>>>> That's unfortunate, there is something else called QDMA in NXP
>>>>> solution:
>>>>> https://git.dpdk.org/dpdk/tree/drivers/dma/dpaa2
>>>> Is this going to create a conflict against this submission? I guess
>>>> both are publicly available/known for long time.
>>> If it's the marketing name, go for it,
>>> but it is unfortunate.
>>
>> QDMA is a very generic name and many vendors have IP for it.
>>
>> My suggestions is the qualify the specific driver with vendor name i.e.
>> amd_qdma or xilinx_qdma or something similar.
>>
>> NXP also did the same dpaa2_qdma
>>
>>
> @Thomas, @Hemant,
> Thank you for highlights and suggestions regarding conflicting names.
> We've discussed this internally and came up with below plan.
>
> For v22.11 DPDK, we would like to submit patches with below renames:
> drivers/net/qdma -> drivers/net/t1
> drivers/net/qdma/qdma_*.c/h -> drivers/net/t1/t1_*.c/h
> driver/net/qdma/qdma_access -> driver/net/t1/base
Curious why "t1"?
What is the meaning?
The hardware is commerically named as the "T1 card". T1 represents first card
of the telco accelerator series.
https://www.xilinx.com/publications/product-briefs/xilinx-t1-product-brief.pdf
