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2022-08-02nvme: implement In-Band authenticationHannes Reinecke1-0/+1
Implement NVMe-oF In-Band authentication according to NVMe TPAR 8006. This patch adds two new fabric options 'dhchap_secret' to specify the pre-shared key (in ASCII respresentation according to NVMe 2.0 section 8.13.5.8 'Secret representation') and 'dhchap_ctrl_secret' to specify the pre-shared controller key for bi-directional authentication of both the host and the controller. Re-authentication can be triggered by writing the PSK into the new controller sysfs attribute 'dhchap_secret' or 'dhchap_ctrl_secret'. Signed-off-by: Hannes Reinecke <hare@suse.de> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Christoph Hellwig <hch@lst.de> [axboe: fold in clang build fix] Signed-off-by: Jens Axboe <axboe@kernel.dk>
2019-05-21treewide: Add SPDX license identifier - Makefile/KconfigThomas Gleixner1-0/+1
Add SPDX license identifiers to all Make/Kconfig files which: - Have no license information of any form These files fall under the project license, GPL v2 only. The resulting SPDX license identifier is: GPL-2.0-only Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-10-04nvme: use menu Kconfig interfaceRandy Dunlap1-0/+4
Add a menu interface for NVME host and target support so that it is presented to users more like other Kconfig symbols. This makes the Device Driver menu less cluttered (easier to read) and keeps all of these symbols grouped together. Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Reviewed-by: Keith Busch <keith.busch@intel.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Christoph Hellwig <hch@lst.de>
2016-07-05nvmet: add a generic NVMe targetChristoph Hellwig1-0/+1
This patch introduces a implementation of NVMe subsystems, controllers and discovery service which allows to export NVMe namespaces across fabrics such as Ethernet, FC etc. The implementation conforms to the NVMe 1.2.1 specification and interoperates with NVMe over fabrics host implementations. Configuration works using configfs, and is best performed using the nvmetcli tool from http://git.infradead.org/users/hch/nvmetcli.git, which also has a detailed explanation of the required steps in the README file. Signed-off-by: Armen Baloyan <armenx.baloyan@intel.com> Signed-off-by: Anthony Knapp <anthony.j.knapp@intel.com> Signed-off-by: Jay Freyensee <james.p.freyensee@intel.com> Signed-off-by: Ming Lin <ming.l@ssi.samsung.com> Signed-off-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2015-10-09nvme: move to a new drivers/nvme/host directoryJay Sternberg1-0/+1
This patch moves the NVMe driver from drivers/block/ to its own new drivers/nvme/host/ directory. This is in preparation of splitting the current monolithic driver up and add support for the upcoming NVMe over Fabrics standard. The drivers/nvme/host/ is chose to leave space for a NVMe target implementation in addition to this host side driver. Signed-off-by: Jay Sternberg <jay.e.sternberg@intel.com> [hch: rebased, renamed core.c to pci.c, slight tweaks] Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Keith Busch <keith.busch@intel.com> Signed-off-by: Jens Axboe <axboe@fb.com>