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Message-ID: <405af235-e47e-476d-b3e9-b2b4d2413459@habana.ai>
Date: Tue, 18 Jun 2024 07:28:23 +0000
From: Omer Shpigelman <oshpigelman@...ana.ai>
To: Leon Romanovsky <leon@...nel.org>
CC: Przemek Kitszel <przemyslaw.kitszel@...el.com>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
"dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
"ogabbay@...nel.org" <ogabbay@...nel.org>,
Zvika Yehudai <zyehudai@...ana.ai>
Subject: Re: [PATCH 01/15] net: hbl_cn: add habanalabs Core Network driver
On 6/17/24 14:48, Leon Romanovsky wrote:
> [Some people who received this message don't often get email from leon@...nel.org. Learn why this is important at https://aka.ms/LearnAboutSenderIdentification ]
>
> On Mon, Jun 17, 2024 at 08:08:26AM +0000, Omer Shpigelman wrote:
>> On 6/13/24 16:01, Przemek Kitszel wrote:
>>> [Some people who received this message don't often get email from przemyslaw.kitszel@...el.com. Learn why this is important at https://aka.ms/LearnAboutSenderIdentification ]
>>>
>>> On 6/13/24 10:21, Omer Shpigelman wrote:
>>>> Add the hbl_cn driver which will serve both Ethernet and InfiniBand
>>>> drivers.
>>>> hbl_cn is the layer which is used by the satellite drivers for many shared
>>>> operations that are needed by both EN and IB subsystems like QPs, CQs etc.
>>>> The CN driver is initialized via auxiliary bus by the habanalabs driver.
>>>>
>>>> Signed-off-by: Omer Shpigelman <oshpigelman@...ana.ai>
>>>> Co-developed-by: Abhilash K V <kvabhilash@...ana.ai>
>>>> Signed-off-by: Abhilash K V <kvabhilash@...ana.ai>
>>>> Co-developed-by: Andrey Agranovich <aagranovich@...ana.ai>
>>>> Signed-off-by: Andrey Agranovich <aagranovich@...ana.ai>
>>>> Co-developed-by: Bharat Jauhari <bjauhari@...ana.ai>
>>>> Signed-off-by: Bharat Jauhari <bjauhari@...ana.ai>
>>>> Co-developed-by: David Meriin <dmeriin@...ana.ai>
>>>> Signed-off-by: David Meriin <dmeriin@...ana.ai>
>>>> Co-developed-by: Sagiv Ozeri <sozeri@...ana.ai>
>>>> Signed-off-by: Sagiv Ozeri <sozeri@...ana.ai>
>>>> Co-developed-by: Zvika Yehudai <zyehudai@...ana.ai>
>>>> Signed-off-by: Zvika Yehudai <zyehudai@...ana.ai>
>>>> ---
>>>> .../device_drivers/ethernet/index.rst | 1 +
>>>> .../device_drivers/ethernet/intel/hbl.rst | 82 +
>>>> MAINTAINERS | 11 +
>>>> drivers/net/ethernet/intel/Kconfig | 20 +
>>>> drivers/net/ethernet/intel/Makefile | 1 +
>>>> drivers/net/ethernet/intel/hbl_cn/Makefile | 9 +
>>>> .../net/ethernet/intel/hbl_cn/common/Makefile | 3 +
>>>> .../net/ethernet/intel/hbl_cn/common/hbl_cn.c | 5954 +++++++++++++++++
>>>> .../net/ethernet/intel/hbl_cn/common/hbl_cn.h | 1627 +++++
>>>> .../ethernet/intel/hbl_cn/common/hbl_cn_drv.c | 220 +
>>>> .../intel/hbl_cn/common/hbl_cn_memory.c | 40 +
>>>> .../ethernet/intel/hbl_cn/common/hbl_cn_phy.c | 33 +
>>>> .../ethernet/intel/hbl_cn/common/hbl_cn_qp.c | 13 +
>>>> include/linux/habanalabs/cpucp_if.h | 125 +-
>>>> include/linux/habanalabs/hl_boot_if.h | 9 +-
>>>> include/linux/net/intel/cn.h | 474 ++
>>>> include/linux/net/intel/cn_aux.h | 298 +
>>>> include/linux/net/intel/cni.h | 636 ++
>>>> 18 files changed, 9545 insertions(+), 11 deletions(-)
>>>
>>> this is a very big patch, it asks for a split; what's worse, it's
>>> proportional to the size of this series:
>>> 146 files changed, 148514 insertions(+), 70 deletions(-)
>>> which is just too big
>>>
>>> [...]
>>>
>>
>> Yeah, well I'm limited to 15 patches per patch set according to the kernel
>> doc so I had to have this big patch.
>> Our changes are contained in 4 different drivers and all of the changes
>> should be merged together so the HW will be operational.
>> Hence I had to squeeze some code to a big patch.
>
> Submit your code in multiple steps. One driver at a time.
>
> Thanks
I can push each driver at a time but it is missing the big context. Every
single driver is useless without the others (or at least a subset of
them).
But I'll do that anyway so it will be possible to review.
Thanks.
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