1# SPDX-License-Identifier: GPL-2.0-only 2config NVME_CORE 3 tristate 4 5config BLK_DEV_NVME 6 tristate "NVM Express block device" 7 depends on PCI && BLOCK 8 select NVME_CORE 9 ---help--- 10 The NVM Express driver is for solid state drives directly 11 connected to the PCI or PCI Express bus. If you know you 12 don't have one of these, it is safe to answer N. 13 14 To compile this driver as a module, choose M here: the 15 module will be called nvme. 16 17config NVME_MULTIPATH 18 bool "NVMe multipath support" 19 depends on NVME_CORE 20 ---help--- 21 This option enables support for multipath access to NVMe 22 subsystems. If this option is enabled only a single 23 /dev/nvmeXnY device will show up for each NVMe namespaces, 24 even if it is accessible through multiple controllers. 25 26config NVME_FABRICS 27 tristate 28 29config NVME_RDMA 30 tristate "NVM Express over Fabrics RDMA host driver" 31 depends on INFINIBAND && INFINIBAND_ADDR_TRANS && BLOCK 32 select NVME_CORE 33 select NVME_FABRICS 34 select SG_POOL 35 help 36 This provides support for the NVMe over Fabrics protocol using 37 the RDMA (Infiniband, RoCE, iWarp) transport. This allows you 38 to use remote block devices exported using the NVMe protocol set. 39 40 To configure a NVMe over Fabrics controller use the nvme-cli tool 41 from https://github.com/linux-nvme/nvme-cli. 42 43 If unsure, say N. 44 45config NVME_FC 46 tristate "NVM Express over Fabrics FC host driver" 47 depends on BLOCK 48 depends on HAS_DMA 49 select NVME_CORE 50 select NVME_FABRICS 51 select SG_POOL 52 help 53 This provides support for the NVMe over Fabrics protocol using 54 the FC transport. This allows you to use remote block devices 55 exported using the NVMe protocol set. 56 57 To configure a NVMe over Fabrics controller use the nvme-cli tool 58 from https://github.com/linux-nvme/nvme-cli. 59 60 If unsure, say N. 61 62config NVME_TCP 63 tristate "NVM Express over Fabrics TCP host driver" 64 depends on INET 65 depends on BLK_DEV_NVME 66 select NVME_FABRICS 67 help 68 This provides support for the NVMe over Fabrics protocol using 69 the TCP transport. This allows you to use remote block devices 70 exported using the NVMe protocol set. 71 72 To configure a NVMe over Fabrics controller use the nvme-cli tool 73 from https://github.com/linux-nvme/nvme-cli. 74 75 If unsure, say N. 76