linux-kernel - Re: [PATCH 01/15] net: hbl_cn: add habanalabs Core Network driver

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Message-ID: <20240617114818.GB6805@unreal>
Date: Mon, 17 Jun 2024 14:48:18 +0300
From: Leon Romanovsky <leon@...nel.org>
To: Omer Shpigelman <oshpigelman@...ana.ai>
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 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