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 m || IPV6 != m 8 depends on !ALPHA 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_MEM 41 bool 42 depends on INFINIBAND_USER_ACCESS != n 43 depends on MMU 44 default y 45 46config INFINIBAND_ON_DEMAND_PAGING 47 bool "InfiniBand on-demand paging support" 48 depends on INFINIBAND_USER_MEM 49 select MMU_NOTIFIER 50 select INTERVAL_TREE 51 select HMM_MIRROR 52 default y 53 help 54 On demand paging support for the InfiniBand subsystem. 55 Together with driver support this allows registration of 56 memory regions without pinning their pages, fetching the 57 pages on demand instead. 58 59config INFINIBAND_ADDR_TRANS 60 bool "RDMA/CM" 61 depends on INFINIBAND 62 default y 63 help 64 Support for RDMA communication manager (CM). 65 This allows for a generic connection abstraction over RDMA. 66 67config INFINIBAND_ADDR_TRANS_CONFIGFS 68 bool 69 depends on INFINIBAND_ADDR_TRANS && CONFIGFS_FS && !(INFINIBAND=y && CONFIGFS_FS=m) 70 default y 71 help 72 ConfigFS support for RDMA communication manager (CM). 73 This allows the user to config the default GID type that the CM 74 uses for each device, when initiaing new connections. 75 76config INFINIBAND_VIRT_DMA 77 def_bool !HIGHMEM 78 79if INFINIBAND_USER_ACCESS || !INFINIBAND_USER_ACCESS 80source "drivers/infiniband/hw/mthca/Kconfig" 81source "drivers/infiniband/hw/qib/Kconfig" 82source "drivers/infiniband/hw/cxgb4/Kconfig" 83source "drivers/infiniband/hw/efa/Kconfig" 84source "drivers/infiniband/hw/i40iw/Kconfig" 85source "drivers/infiniband/hw/mlx4/Kconfig" 86source "drivers/infiniband/hw/mlx5/Kconfig" 87source "drivers/infiniband/hw/ocrdma/Kconfig" 88source "drivers/infiniband/hw/vmw_pvrdma/Kconfig" 89source "drivers/infiniband/hw/usnic/Kconfig" 90source "drivers/infiniband/hw/hns/Kconfig" 91source "drivers/infiniband/hw/bnxt_re/Kconfig" 92source "drivers/infiniband/hw/hfi1/Kconfig" 93source "drivers/infiniband/hw/qedr/Kconfig" 94source "drivers/infiniband/sw/rdmavt/Kconfig" 95source "drivers/infiniband/sw/rxe/Kconfig" 96source "drivers/infiniband/sw/siw/Kconfig" 97endif 98 99source "drivers/infiniband/ulp/ipoib/Kconfig" 100 101source "drivers/infiniband/ulp/srp/Kconfig" 102source "drivers/infiniband/ulp/srpt/Kconfig" 103 104source "drivers/infiniband/ulp/iser/Kconfig" 105source "drivers/infiniband/ulp/isert/Kconfig" 106source "drivers/infiniband/ulp/rtrs/Kconfig" 107 108source "drivers/infiniband/ulp/opa_vnic/Kconfig" 109 110endif # INFINIBAND 111