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Message-ID: <MN0PR21MB3606BE5B57AF1FEE85915F3AD6D7A@MN0PR21MB3606.namprd21.prod.outlook.com>
Date: Mon, 16 Oct 2023 22:15:18 +0000
From: Ajay Sharma <sharmaajay@...rosoft.com>
To: Leon Romanovsky <leon@...nel.org>
CC: "sharmaajay@...uxonhyperv.com" <sharmaajay@...uxonhyperv.com>,
Long Li <longli@...rosoft.com>, Jason Gunthorpe <jgg@...pe.ca>,
Dexuan Cui <decui@...rosoft.com>, Wei Liu <wei.liu@...nel.org>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
"linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
"linux-hyperv@...r.kernel.org" <linux-hyperv@...r.kernel.org>,
"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
Ajay Sharma <sharmaajay@...rosoft.com>
Subject: RE: [EXTERNAL] Re: [Patch v5 0/5] RDMA/mana_ib
I have sent v7 patch series with the space removed
> -----Original Message-----
> From: Leon Romanovsky <leon@...nel.org>
> Sent: Monday, September 18, 2023 1:29 AM
> To: Ajay Sharma <sharmaajay@...rosoft.com>
> Cc: sharmaajay@...uxonhyperv.com; Long Li <longli@...rosoft.com>; Jason
> Gunthorpe <jgg@...pe.ca>; Dexuan Cui <decui@...rosoft.com>; Wei Liu
> <wei.liu@...nel.org>; David S. Miller <davem@...emloft.net>; Eric Dumazet
> <edumazet@...gle.com>; Jakub Kicinski <kuba@...nel.org>; Paolo Abeni
> <pabeni@...hat.com>; linux-rdma@...r.kernel.org; linux-
> hyperv@...r.kernel.org; netdev@...r.kernel.org; linux-kernel@...r.kernel.org
> Subject: Re: [EXTERNAL] Re: [Patch v5 0/5] RDMA/mana_ib
>
> On Mon, Sep 11, 2023 at 06:57:21PM +0000, Ajay Sharma wrote:
> > I have updated the last patch to use xarray, will post the update patch. We
> currently use aux bus for ib device. Gd_register_device is firmware specific. All
> the patches use RDMA/mana_ib format which is aligned with
> drivers/infiniband/hw/mana/ .
>
> ➜ kernel git:(wip/leon-for-rc) git l --no-merges drivers/infiniband/hw/mana/
> 2145328515c8 RDMA/mana_ib: Use v2 version of cfg_rx_steer_req to enable
> RX coalescing
> 89d42b8c85b4 RDMA/mana_ib: Fix a bug when the PF indicates more entries
> for registering memory on first packet
> 563ca0e9eab8 RDMA/mana_ib: Prevent array underflow in
> mana_ib_create_qp_raw()
> 3574cfdca285 RDMA/mana: Remove redefinition of basic u64 type
> 0266a177631d RDMA/mana_ib: Add a driver for Microsoft Azure Network
> Adapter
>
> It is different format from presented here. You added extra space before ":"
> and there is double space in one of the titles.
>
I have removed the space
> Regarding aux, I see it, but what confuses me is proliferation of terms and
> various calls: device, client, adapter. My expectation is to see more uniform
> methodology where IB is represented as device.
>
The adapter is a software construct. It is used as a container for resources. Client is used to distinguish between eth and ib. Please note that these are terms used for different purposes on the management side.
> Thanks
>
> >
> > Thanks
> >
> > > -----Original Message-----
> > > From: Leon Romanovsky <leon@...nel.org>
> > > Sent: Monday, September 11, 2023 7:33 AM
> > > To: sharmaajay@...uxonhyperv.com
> > > Cc: Long Li <longli@...rosoft.com>; Jason Gunthorpe <jgg@...pe.ca>;
> > > Dexuan Cui <decui@...rosoft.com>; Wei Liu <wei.liu@...nel.org>;
> > > David S. Miller <davem@...emloft.net>; Eric Dumazet
> > > <edumazet@...gle.com>; Jakub Kicinski <kuba@...nel.org>; Paolo Abeni
> > > <pabeni@...hat.com>; linux- rdma@...r.kernel.org;
> > > linux-hyperv@...r.kernel.org; netdev@...r.kernel.org;
> > > linux-kernel@...r.kernel.org; Ajay Sharma <sharmaajay@...rosoft.com>
> > > Subject: [EXTERNAL] Re: [Patch v5 0/5] RDMA/mana_ib
> > >
> > > On Thu, Sep 07, 2023 at 09:52:34AM -0700,
> > > sharmaajay@...uxonhyperv.com
> > > wrote:
> > > > From: Ajay Sharma <sharmaajay@...rosoft.com>
> > > >
> > > > Change from v4:
> > > > Send qp fatal error event to the context that created the qp. Add
> > > > lookup table for qp.
> > > >
> > > > Ajay Sharma (5):
> > > > RDMA/mana_ib : Rename all mana_ib_dev type variables to mib_dev
> > > > RDMA/mana_ib : Register Mana IB device with Management SW
> > > > RDMA/mana_ib : Create adapter and Add error eq
> > > > RDMA/mana_ib : Query adapter capabilities
> > > > RDMA/mana_ib : Send event to qp
> > >
> > > I didn't look very deep into the series and has three very initial comments.
> > > 1. Please do git log drivers/infiniband/hw/mana/ and use same format
> > > for commit messages.
> > > 2. Don't invent your own index-to-qp query mechanism in last patch
> > > and use xarray.
> > > 3. Once you decided to export mana_gd_register_device, it hinted me
> > > that it is time to move to auxbus infrastructure.
> > >
> > > Thanks
> > >
> > > >
> > > > drivers/infiniband/hw/mana/cq.c | 12 +-
> > > > drivers/infiniband/hw/mana/device.c | 81 +++--
> > > > drivers/infiniband/hw/mana/main.c | 288 +++++++++++++-----
> > > > drivers/infiniband/hw/mana/mana_ib.h | 102 ++++++-
> > > > drivers/infiniband/hw/mana/mr.c | 42 ++-
> > > > drivers/infiniband/hw/mana/qp.c | 86 +++---
> > > > drivers/infiniband/hw/mana/wq.c | 21 +-
> > > > .../net/ethernet/microsoft/mana/gdma_main.c | 152 +++++----
> > > > drivers/net/ethernet/microsoft/mana/mana_en.c | 3 +
> > > > include/net/mana/gdma.h | 16 +-
> > > > 10 files changed, 545 insertions(+), 258 deletions(-)
> > > >
> > > > --
> > > > 2.25.1
> > > >
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