linux-kernel - [PATCH rdma-next v2 0/5] RDMA/mana_ib: Enable RNIC adapter and populate it with GIDs

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Date: Fri,  2 Feb 2024 07:06:32 -0800
From: Konstantin Taranov <kotaranov@...ux.microsoft.com>
To: kotaranov@...rosoft.com,
	sharmaajay@...rosoft.com,
	longli@...rosoft.com,
	jgg@...pe.ca,
	leon@...nel.org
Cc: linux-rdma@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH rdma-next v2 0/5] RDMA/mana_ib: Enable RNIC adapter and populate it with GIDs

This patch series creates RNIC adapter in mana_ib.
To create the adapter, we must create one EQ.
In the future patches, this EQ will be used for fatal RC QP error events.
In the future patches, we will also add more EQs for CQs.

mana_ib is served by mana ethernet for RAW QPs and by RNIC for RC QPs.
If RNIC is not available in the HW, we do not fail mana_ib and keep only RAW QP
support. RNIC is availale only for port 1.

As a minimal usage, this patch series brings adding and removing RoCEv2 GIDs.
For this, we set master netdev to the ib device and set required port parameters
to get GIDs. RNIC of mana supports IPv6 and IPv4 addresses that are stored in the HW.

v1->v2:
* Fixed rcu_read_unlock() and updated commit message in "Enable RoCE on port 1"

Konstantin Taranov (5):
  RDMA/mana_ib: Add EQ creation for rnic adapter
  RDMA/mana_ib: Create and destroy rnic adapter
  RDMA/mana_ib: Implement port parameters
  RDMA/mana_ib: Enable RoCE on port 1
  RDMA/mana_ib: Adding and deleting GIDs

 drivers/infiniband/hw/mana/device.c  |  28 ++++-
 drivers/infiniband/hw/mana/main.c    | 203 ++++++++++++++++++++++++++++++++++-
 drivers/infiniband/hw/mana/mana_ib.h |  75 +++++++++++++
 3 files changed, 298 insertions(+), 8 deletions(-)

-- 
1.8.3.1