From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 1FE743939C9; Thu, 1 Oct 2026 18:21:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=13.77.154.182 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790878875; cv=none; b=SglLUndczSo+IxomsykEatkg0E49g4Igp/MiSwkb9512I6l9Hf9+YBpjUGY1UmSwPHjG5sRj1YwvDguFAE06vapzl9ZLStFtFCSHBDPlAK9uek1/Tmli/QQgdnzYjprxitDWgJlZ/YHsjWtU6Lvd0ULHKh0fNLkRrwnnwPLGlDg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790878875; c=relaxed/simple; bh=4rshS9XctKGf28WnOLSgd80GpFX+3fgpVCCeI6MXqGM=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=BxXtRHD7SlzEwjrVxc5GX8oFASRCjyL5DnfVEr6V8kTVDqXHKbvOCDIo+26wJIjHyQrsluOQgaeNtEIxqjGYB/S9KI0vzDaLoBxXuAD4mGa8S3C75W9lblMaG92fQ1DuALreXxDWUDlNMCztCg/nB0TCZ+sfSSqlJ99PD08sXTs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.microsoft.com; spf=pass smtp.mailfrom=linux.microsoft.com; dkim=pass (1024-bit key) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.b=mT4VWyOu; arc=none smtp.client-ip=13.77.154.182 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.microsoft.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.microsoft.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.b="mT4VWyOu" Received: by linux.microsoft.com (Postfix, from userid 1186) id 05B0B20B7166; Thu, 1 Oct 2026 11:20:16 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 05B0B20B7166 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1790878816; bh=WSAwCUnhQq36c+GY/8nvU7Wan3XpF2l+QigzEUWsKhw=; h=From:To:Cc:Subject:Date:From; b=mT4VWyOurIMVkWdmTMq6MyIrbAK07Q0pXPKc/mrKKcdVm5g2OjCPeEGmpHUzOZPeD QnUfKaNG/XX9VkAjXPH8n01y1UPAjktDeCdKcDuG7Hb0fvP1oO0ARQcJGBpv5N4OY2 tOuqiHPFCJc+Dr96rUBEO7TW8u+fe0HF0yYSyJ/E= From: Konstantin Taranov To: kotaranov@microsoft.com, snsanghvi@microsoft.com, longli@microsoft.com, jgg@ziepe.ca, leon@kernel.org Cc: linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH rdma-next 00/10] RDMA/mana_ib: Add kernel RC and fast registration support Date: Thu, 1 Oct 2026 11:20:05 -0700 Message-ID: <20261001182015.1757203-1-kotaranov@linux.microsoft.com> X-Mailer: git-send-email 2.43.7 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Konstantin Taranov Add kernel RC QPs and fast-registration MRs to the MANA RDMA driver for kernel consumers such as NVMe/RDMA and NFS/RDMA. Implement QP creation and state management, work request posting, completion processing, error handling, and queue draining. Kernel RC QPs require extended-WQE and power-of-two-SQ hardware support. Tested with krping, NVMe/RDMA, and NFS/RDMA, including RC send and receive error recovery with krping and NVMe/RDMA. Konstantin Taranov (10): RDMA/mana_ib: Allocate and map fast-registration MRs RDMA/mana: Create and destroy kernel RC QPs net/mana: Extend GDMA encoding for new RDMA WQEs RDMA/mana_ib: Maintain kernel RC QP state RDMA/mana_ib: Post receive WRs on kernel RC QPs RDMA/mana_ib: Post send and memory-management WRs on RC QPs RDMA/mana_ib: Poll RC completions using PSN and FSN progress RDMA/mana_ib: Flush and notify CQs when kernel QPs enter ERR RDMA/mana_ib: Handle error CQEs for RC QPs RDMA/mana_ib: Drain kernel receive and send queues drivers/infiniband/hw/mana/cq.c | 240 ++++++++++- drivers/infiniband/hw/mana/device.c | 4 + drivers/infiniband/hw/mana/main.c | 8 +- drivers/infiniband/hw/mana/mana_ib.h | 135 +++++- drivers/infiniband/hw/mana/mr.c | 84 +++- drivers/infiniband/hw/mana/qp.c | 323 ++++++++++++++- drivers/infiniband/hw/mana/shadow_queue.h | 22 + drivers/infiniband/hw/mana/wr.c | 385 ++++++++++++++++++ .../net/ethernet/microsoft/mana/gdma_main.c | 49 ++- include/net/mana/gdma.h | 38 +- 10 files changed, 1253 insertions(+), 35 deletions(-) -- 2.43.0