1# SPDX-License-Identifier: GPL-2.0-only 2menuconfig INFINIBAND 3 tristate "InfiniBand support" 4 depends on HAS_IOMEM && HAS_DMA 5 depends on NET 6 depends on INET 7 depends on !ALPHA 8 select DMA_SHARED_BUFFER 9 select IRQ_POLL 10 select DIMLIB 11 help 12 Core support for InfiniBand (IB). Make sure to also select 13 any protocols you wish to use as well as drivers for your 14 InfiniBand hardware. 15 16if INFINIBAND 17 18config INFINIBAND_USER_MAD 19 tristate "InfiniBand userspace MAD support" 20 depends on INFINIBAND 21 help 22 Userspace InfiniBand Management Datagram (MAD) support. This 23 is the kernel side of the userspace MAD support, which allows 24 userspace processes to send and receive MADs. You will also 25 need libibumad from rdma-core 26 <https://github.com/linux-rdma/rdma-core>. 27 28config INFINIBAND_USER_ACCESS 29 tristate "InfiniBand userspace access (verbs and CM)" 30 depends on MMU 31 help 32 Userspace InfiniBand access support. This enables the 33 kernel side of userspace verbs and the userspace 34 communication manager (CM). This allows userspace processes 35 to set up connections and directly access InfiniBand 36 hardware for fast-path operations. You will also need 37 libibverbs, libibcm and a hardware driver library from 38 rdma-core <https://github.com/linux-rdma/rdma-core>. 39 40config INFINIBAND_USER_ACCESS_CORE 41 bool 42 default y if INFINIBAND_USER_ACCESS != n 43 44config INFINIBAND_USER_MEM 45 bool 46 depends on INFINIBAND_USER_ACCESS != n 47 depends on MMU 48 select DMA_SHARED_BUFFER 49 default y 50 51config INFINIBAND_ON_DEMAND_PAGING 52 bool "InfiniBand on-demand paging support" 53 depends on INFINIBAND_USER_MEM 54 select MMU_NOTIFIER 55 select INTERVAL_TREE 56 select HMM_MIRROR 57 default y 58 help 59 On demand paging support for the InfiniBand subsystem. 60 Together with driver support this allows registration of 61 memory regions without pinning their pages, fetching the 62 pages on demand instead. 63 64config INFINIBAND_ADDR_TRANS 65 bool "RDMA/CM" 66 depends on INFINIBAND 67 default y 68 help 69 Support for RDMA communication manager (CM). 70 This allows for a generic connection abstraction over RDMA. 71 72config INFINIBAND_ADDR_TRANS_CONFIGFS 73 bool 74 depends on INFINIBAND_ADDR_TRANS && CONFIGFS_FS && !(INFINIBAND=y && CONFIGFS_FS=m) 75 default y 76 help 77 ConfigFS support for RDMA communication manager (CM). 78 This allows the user to config the default GID type that the CM 79 uses for each device, when initiaing new connections. 80 81config INFINIBAND_VIRT_DMA 82 def_bool !HIGHMEM 83 84if INFINIBAND_USER_ACCESS || !INFINIBAND_USER_ACCESS 85if !UML 86source "drivers/infiniband/hw/bnxt_re/Kconfig" 87source "drivers/infiniband/hw/bng_re/Kconfig" 88source "drivers/infiniband/hw/cxgb4/Kconfig" 89source "drivers/infiniband/hw/efa/Kconfig" 90source "drivers/infiniband/hw/erdma/Kconfig" 91source "drivers/infiniband/hw/hfi1/Kconfig" 92source "drivers/infiniband/hw/hns/Kconfig" 93source "drivers/infiniband/hw/ionic/Kconfig" 94source "drivers/infiniband/hw/irdma/Kconfig" 95source "drivers/infiniband/hw/mana/Kconfig" 96source "drivers/infiniband/hw/mlx4/Kconfig" 97source "drivers/infiniband/hw/mlx5/Kconfig" 98source "drivers/infiniband/hw/mthca/Kconfig" 99source "drivers/infiniband/hw/ocrdma/Kconfig" 100source "drivers/infiniband/hw/qedr/Kconfig" 101source "drivers/infiniband/hw/usnic/Kconfig" 102source "drivers/infiniband/hw/vmw_pvrdma/Kconfig" 103source "drivers/infiniband/sw/rdmavt/Kconfig" 104endif # !UML 105source "drivers/infiniband/sw/rxe/Kconfig" 106source "drivers/infiniband/sw/siw/Kconfig" 107endif 108 109source "drivers/infiniband/ulp/ipoib/Kconfig" 110 111source "drivers/infiniband/ulp/srp/Kconfig" 112source "drivers/infiniband/ulp/srpt/Kconfig" 113 114source "drivers/infiniband/ulp/iser/Kconfig" 115source "drivers/infiniband/ulp/isert/Kconfig" 116source "drivers/infiniband/ulp/rtrs/Kconfig" 117 118endif # INFINIBAND 119