From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out30-133.freemail.mail.aliyun.com (out30-133.freemail.mail.aliyun.com [115.124.30.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5BB7440DFA3 for ; Thu, 7 May 2026 05:34:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=115.124.30.133 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778132091; cv=none; b=bzehSMJwrbjFzX5wzNNirp/HnHz16XARZcqrSrZRo10/9OTFCF3Z8uIEMAivv49HY7+Y1NdU5TJ/yQF8cv0Af9KMybQvhi1acIi/AtOGD5ddJzboHRgUXlCqw8mY2mWl9zzBvoSFt7Lq9UdSdfolS+3p3MlwGt1vHWcFdKgA8Ug= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778132091; c=relaxed/simple; bh=NrBikbrVZnBEPGKBrvV56xeysATF+FdYrlWNkaoyuk0=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=I4mTx+yDnmi+oGgQEpt4TeSk9nqEfAkATjvbAFw4mS120ZwQXmgA4DKxCKvTJOUX4UdpQZpB+kPm6Bt0Yevc8oqOo89nntqf8LKMjkMJz+QR/WI9nnd+g0tycEY7Ruc/+pzVamTigTRSyzfgObPayOrZqq0ha+xxtOBpNj+lKgE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.alibaba.com; spf=pass smtp.mailfrom=linux.alibaba.com; dkim=pass (1024-bit key) header.d=linux.alibaba.com header.i=@linux.alibaba.com header.b=H5/xtcPc; arc=none smtp.client-ip=115.124.30.133 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.alibaba.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.alibaba.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.alibaba.com header.i=@linux.alibaba.com header.b="H5/xtcPc" DKIM-Signature:v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.alibaba.com; s=default; t=1778132080; h=From:To:Subject:Date:Message-ID:MIME-Version; bh=MB9rV6HBBs9jmCI3L/ansRRQhct/wZS7NdDTeym/Pzw=; b=H5/xtcPcVnGarrWQGF+MBSAXZqpBPn3EuHiwsRWVV9iYQiaeSSE0UkPsxmX9mA6KJQ/4ymTg1jMQl51/7wP5jzQPdeB+0aI1W1vINDN80eFyaUWekrZB6KHcKVd448qop2g7g6BYHJOnhQKv+MoCShm9Lk/ITQJs5oW1sJG/MS0= X-Alimail-AntiSpam:AC=PASS;BC=-1|-1;BR=01201311R921e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=maildocker-contentspam033045098064;MF=boshiyu@linux.alibaba.com;NM=1;PH=DS;RN=5;SR=0;TI=SMTPD_---0X2TQgeA_1778132078; Received: from localhost(mailfrom:boshiyu@linux.alibaba.com fp:SMTPD_---0X2TQgeA_1778132078 cluster:ay36) by smtp.aliyun-inc.com; Thu, 07 May 2026 13:34:39 +0800 From: Boshi Yu To: jgg@ziepe.ca, leon@kernel.org Cc: linux-rdma@vger.kernel.org, chengyou@linux.alibaba.com, kaishen@linux.alibaba.com Subject: [PATCH for-next 0/3] RDMA/erdma: Add DMA-BUF memory registration Date: Thu, 7 May 2026 13:34:18 +0800 Message-ID: <20260507053437.46211-1-boshiyu@linux.alibaba.com> X-Mailer: git-send-email 2.46.0 Precedence: bulk X-Mailing-List: linux-rdma@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Hi, This patch series adds DMA-BUF memory registration support to the erdma driver: - #1 renames get/put_mtt_entries to erdma_mem_init/uninit to better reflect their purpose of initializing the struct erdma_mem. - #2 introduces struct erdma_mem_init_attr to pass parameters to erdma_mem_init(), improving code maintainability and preparing for DMA-BUF support. - #3 implements erdma_reg_user_mr_dmabuf() to enable DMA-BUF based user memory registration using ib_umem_dmabuf_get_pinned(). Thanks, Boshi Yu Boshi Yu (3): RDMA/erdma: Rename get/put_mtt_entries to erdma_mem_init/uninit RDMA/erdma: Introduce struct erdma_mem_init_attr RDMA/erdma: Implement erdma_reg_user_mr_dmabuf drivers/infiniband/hw/erdma/erdma_main.c | 1 + drivers/infiniband/hw/erdma/erdma_verbs.c | 146 ++++++++++++++-------- drivers/infiniband/hw/erdma/erdma_verbs.h | 19 +++ 3 files changed, 117 insertions(+), 49 deletions(-) -- 2.46.0