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 select DMA_SHARED_BUFFER 45 default y 46 47config INFINIBAND_ON_DEMAND_PAGING 48 bool "InfiniBand on-demand paging support" 49 depends on INFINIBAND_USER_MEM 50 select MMU_NOTIFIER 51 select INTERVAL_TREE 52 select HMM_MIRROR 53 default y 54 help 55 On demand paging support for the InfiniBand subsystem. 56 Together with driver support this allows registration of 57 memory regions without pinning their pages, fetching the 58 pages on demand instead. 59 60config INFINIBAND_ADDR_TRANS 61 bool "RDMA/CM" 62 depends on INFINIBAND 63 default y 64 help 65 Support for RDMA communication manager (CM). 66 This allows for a generic connection abstraction over RDMA. 67 68config INFINIBAND_ADDR_TRANS_CONFIGFS 69 bool 70 depends on INFINIBAND_ADDR_TRANS && CONFIGFS_FS && !(INFINIBAND=y && CONFIGFS_FS=m) 71 default y 72 help 73 ConfigFS support for RDMA communication manager (CM). 74 This allows the user to config the default GID type that the CM 75 uses for each device, when initiaing new connections. 76 77config INFINIBAND_VIRT_DMA 78 def_bool !HIGHMEM 79 80if INFINIBAND_USER_ACCESS || !INFINIBAND_USER_ACCESS 81if !UML 82source "drivers/infiniband/hw/bnxt_re/Kconfig" 83source "drivers/infiniband/hw/cxgb4/Kconfig" 84source "drivers/infiniband/hw/efa/Kconfig" 85source "drivers/infiniband/hw/erdma/Kconfig" 86source "drivers/infiniband/hw/hfi1/Kconfig" 87source "drivers/infiniband/hw/hns/Kconfig" 88source "drivers/infiniband/hw/irdma/Kconfig" 89source "drivers/infiniband/hw/mana/Kconfig" 90source "drivers/infiniband/hw/mlx4/Kconfig" 91source "drivers/infiniband/hw/mlx5/Kconfig" 92source "drivers/infiniband/hw/mthca/Kconfig" 93source "drivers/infiniband/hw/ocrdma/Kconfig" 94source "drivers/infiniband/hw/qedr/Kconfig" 95source "drivers/infiniband/hw/qib/Kconfig" 96source "drivers/infiniband/hw/usnic/Kconfig" 97source "drivers/infiniband/hw/vmw_pvrdma/Kconfig" 98source "drivers/infiniband/sw/rdmavt/Kconfig" 99endif # !UML 100source "drivers/infiniband/sw/rxe/Kconfig" 101source "drivers/infiniband/sw/siw/Kconfig" 102endif 103 104source "drivers/infiniband/ulp/ipoib/Kconfig" 105 106source "drivers/infiniband/ulp/srp/Kconfig" 107source "drivers/infiniband/ulp/srpt/Kconfig" 108 109source "drivers/infiniband/ulp/iser/Kconfig" 110source "drivers/infiniband/ulp/isert/Kconfig" 111source "drivers/infiniband/ulp/rtrs/Kconfig" 112 113source "drivers/infiniband/ulp/opa_vnic/Kconfig" 114 115endif # INFINIBAND 116