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# SPDX-License-Identifier: GPL-2.0-only
menuconfig INFINIBAND
tristate "InfiniBand support"
depends on HAS_IOMEM && HAS_DMA
depends on NET
depends on INET
depends on m || IPV6 != m
depends on !ALPHA
select IRQ_POLL
select DIMLIB
help
Core support for InfiniBand (IB). Make sure to also select
any protocols you wish to use as well as drivers for your
InfiniBand hardware.
if INFINIBAND
config INFINIBAND_USER_MAD
tristate "InfiniBand userspace MAD support"
depends on INFINIBAND
help
Userspace InfiniBand Management Datagram (MAD) support. This
is the kernel side of the userspace MAD support, which allows
userspace processes to send and receive MADs. You will also
need libibumad from rdma-core
<https://github.com/linux-rdma/rdma-core>.
config INFINIBAND_USER_ACCESS
tristate "InfiniBand userspace access (verbs and CM)"
depends on MMU
help
Userspace InfiniBand access support. This enables the
kernel side of userspace verbs and the userspace
communication manager (CM). This allows userspace processes
to set up connections and directly access InfiniBand
hardware for fast-path operations. You will also need
libibverbs, libibcm and a hardware driver library from
rdma-core <https://github.com/linux-rdma/rdma-core>.
config INFINIBAND_USER_MEM
bool
depends on INFINIBAND_USER_ACCESS != n
depends on MMU
select DMA_SHARED_BUFFER
default y
config INFINIBAND_ON_DEMAND_PAGING
bool "InfiniBand on-demand paging support"
depends on INFINIBAND_USER_MEM
select MMU_NOTIFIER
select INTERVAL_TREE
select HMM_MIRROR
default y
help
On demand paging support for the InfiniBand subsystem.
Together with driver support this allows registration of
memory regions without pinning their pages, fetching the
pages on demand instead.
config INFINIBAND_ADDR_TRANS
bool "RDMA/CM"
depends on INFINIBAND
default y
help
Support for RDMA communication manager (CM).
This allows for a generic connection abstraction over RDMA.
config INFINIBAND_ADDR_TRANS_CONFIGFS
bool
depends on INFINIBAND_ADDR_TRANS && CONFIGFS_FS && !(INFINIBAND=y && CONFIGFS_FS=m)
default y
help
ConfigFS support for RDMA communication manager (CM).
This allows the user to config the default GID type that the CM
uses for each device, when initiaing new connections.
config INFINIBAND_VIRT_DMA
def_bool !HIGHMEM
if INFINIBAND_USER_ACCESS || !INFINIBAND_USER_ACCESS
if !UML
source "drivers/infiniband/hw/bnxt_re/Kconfig"
source "drivers/infiniband/hw/cxgb4/Kconfig"
source "drivers/infiniband/hw/efa/Kconfig"
source "drivers/infiniband/hw/erdma/Kconfig"
source "drivers/infiniband/hw/hfi1/Kconfig"
source "drivers/infiniband/hw/hns/Kconfig"
source "drivers/infiniband/hw/irdma/Kconfig"
source "drivers/infiniband/hw/mana/Kconfig"
source "drivers/infiniband/hw/mlx4/Kconfig"
source "drivers/infiniband/hw/mlx5/Kconfig"
source "drivers/infiniband/hw/mthca/Kconfig"
source "drivers/infiniband/hw/ocrdma/Kconfig"
source "drivers/infiniband/hw/qedr/Kconfig"
source "drivers/infiniband/hw/qib/Kconfig"
source "drivers/infiniband/hw/usnic/Kconfig"
source "drivers/infiniband/hw/vmw_pvrdma/Kconfig"
source "drivers/infiniband/sw/rdmavt/Kconfig"
endif # !UML
source "drivers/infiniband/sw/rxe/Kconfig"
source "drivers/infiniband/sw/siw/Kconfig"
endif
source "drivers/infiniband/ulp/ipoib/Kconfig"
source "drivers/infiniband/ulp/srp/Kconfig"
source "drivers/infiniband/ulp/srpt/Kconfig"
source "drivers/infiniband/ulp/iser/Kconfig"
source "drivers/infiniband/ulp/isert/Kconfig"
source "drivers/infiniband/ulp/rtrs/Kconfig"
source "drivers/infiniband/ulp/opa_vnic/Kconfig"
endif # INFINIBAND
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