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(mtr-vdi-031.wap.labs.mlnx [10.209.102.136]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id xA5GKQlu013132; Tue, 5 Nov 2019 18:20:27 +0200 From: Max Gurtovoy To: linux-nvme@lists.infradead.org, kbusch@kernel.org, hch@lst.de, sagi@grimberg.me Subject: [PATCH 00/15] nvme-rdma/nvmet-rdma: Add metadata/T10-PI support Date: Tue, 5 Nov 2019 18:20:10 +0200 Message-Id: <20191105162026.183901-1-maxg@mellanox.com> X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191105_082039_336225_9A88941C X-CRM114-Status: UNSURE ( 8.92 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: vladimirk@mellanox.com, idanb@mellanox.com, israelr@mellanox.com, shlomin@mellanox.com, oren@mellanox.com, maxg@mellanox.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org Hello Sagi, Christoph, Keith, Jason and Co This patchset adds metadata (T10-PI) support for NVMeoF/RDMA host side and target side, using signature verbs API. This set starts with a few preparation commits to the NVMe host core layer. It continues with NVMeoF/RDMA host implementation + new bip flag patch + few preparation commits to the NVMe target core layer. The patchset ends with NVMeoF/RDMA target implementation. Configuration: Host: - nvme connect --pi_enable --transport=rdma --traddr=10.0.1.1 --nqn=test-nvme Target: - modprobe nvmet-rdma pi_enable=Y - echo 1 > /config/nvmet/subsystems/${NAME}/attr_pi_enable The code was tested using Mellanox's ConnectX-4/ConnectX-5 HCA. This series applies on top of nvme_5.5 branch cleanly. Israel Rukshin (11): nvme-fabrics: allow user enabling metadata/T10-PI support block: Introduce BIP_NOMAP_INTEGRITY bip_flag nvmet: Prepare metadata request nvmet: Add metadata characteristics for a namespace nvmet: Rename nvmet_rw_len to nvmet_rw_data_len nvmet: Rename nvmet_check_data_len to nvmet_check_transfer_len nvmet: Introduce nvmet_rw_prot_len and nvmet_ns_has_pi nvme: Add Metadata Capabilities enumerations nvmet: Add metadata/T10-PI support nvmet: Add metadata support for block devices nvmet-rdma: Add metadata/T10-PI support Max Gurtovoy (4): nvme: Fail __nvme_revalidate_disk in case of a spec violation nvme: Introduce max_integrity_segments ctrl attribute nvme: Inline nvme_ns_has_pi function nvme-rdma: Add metadata/T10-PI support block/t10-pi.c | 7 + drivers/nvme/host/core.c | 55 +++--- drivers/nvme/host/fabrics.c | 5 + drivers/nvme/host/fabrics.h | 3 + drivers/nvme/host/nvme.h | 7 + drivers/nvme/host/pci.c | 7 + drivers/nvme/host/rdma.c | 346 ++++++++++++++++++++++++++++++++------ drivers/nvme/target/admin-cmd.c | 37 ++-- drivers/nvme/target/configfs.c | 24 +++ drivers/nvme/target/core.c | 54 ++++-- drivers/nvme/target/discovery.c | 8 +- drivers/nvme/target/fabrics-cmd.c | 19 ++- drivers/nvme/target/io-cmd-bdev.c | 105 +++++++++++- drivers/nvme/target/io-cmd-file.c | 8 +- drivers/nvme/target/nvmet.h | 27 ++- drivers/nvme/target/rdma.c | 221 ++++++++++++++++++++++-- include/linux/bio.h | 1 + include/linux/nvme.h | 2 + 18 files changed, 811 insertions(+), 125 deletions(-) -- 1.8.3.1 _______________________________________________ Linux-nvme mailing list Linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme