From c0cf5bdde46c664d583518addc19d6dabb6a8ec9 Mon Sep 17 00:00:00 2001 From: Bernard Metzler Date: Thu, 20 Jun 2019 18:21:33 +0200 Subject: rdma/siw: addition to kernel build environment Broken up commit to add the Soft iWarp RDMA driver. Signed-off-by: Bernard Metzler Signed-off-by: Jason Gunthorpe --- MAINTAINERS | 7 +++++++ drivers/infiniband/Kconfig | 1 + drivers/infiniband/sw/Makefile | 1 + drivers/infiniband/sw/siw/Kconfig | 17 +++++++++++++++++ drivers/infiniband/sw/siw/Makefile | 11 +++++++++++ 5 files changed, 37 insertions(+) create mode 100644 drivers/infiniband/sw/siw/Kconfig create mode 100644 drivers/infiniband/sw/siw/Makefile diff --git a/MAINTAINERS b/MAINTAINERS index 83a62b911692..6d2de0c1520e 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -14558,6 +14558,13 @@ M: Chris Boot S: Maintained F: drivers/leds/leds-net48xx.c +SOFT-IWARP DRIVER (siw) +M: Bernard Metzler +L: linux-rdma@vger.kernel.org +S: Supported +F: drivers/infiniband/sw/siw/ +F: include/uapi/rdma/siw-abi.h + SOFT-ROCE DRIVER (rxe) M: Moni Shoua L: linux-rdma@vger.kernel.org diff --git a/drivers/infiniband/Kconfig b/drivers/infiniband/Kconfig index 42af4cd40ba2..f277cb7aea29 100644 --- a/drivers/infiniband/Kconfig +++ b/drivers/infiniband/Kconfig @@ -96,6 +96,7 @@ source "drivers/infiniband/hw/hfi1/Kconfig" source "drivers/infiniband/hw/qedr/Kconfig" source "drivers/infiniband/sw/rdmavt/Kconfig" source "drivers/infiniband/sw/rxe/Kconfig" +source "drivers/infiniband/sw/siw/Kconfig" endif source "drivers/infiniband/ulp/ipoib/Kconfig" diff --git a/drivers/infiniband/sw/Makefile b/drivers/infiniband/sw/Makefile index ab48a9b60844..68e0230f8f31 100644 --- a/drivers/infiniband/sw/Makefile +++ b/drivers/infiniband/sw/Makefile @@ -1,3 +1,4 @@ # SPDX-License-Identifier: GPL-2.0-only obj-$(CONFIG_INFINIBAND_RDMAVT) += rdmavt/ obj-$(CONFIG_RDMA_RXE) += rxe/ +obj-$(CONFIG_RDMA_SIW) += siw/ diff --git a/drivers/infiniband/sw/siw/Kconfig b/drivers/infiniband/sw/siw/Kconfig new file mode 100644 index 000000000000..94f684174ce3 --- /dev/null +++ b/drivers/infiniband/sw/siw/Kconfig @@ -0,0 +1,17 @@ +config RDMA_SIW + tristate "Software RDMA over TCP/IP (iWARP) driver" + depends on INET && INFINIBAND && CRYPTO_CRC32 + help + This driver implements the iWARP RDMA transport over + the Linux TCP/IP network stack. It enables a system with a + standard Ethernet adapter to interoperate with a iWARP + adapter or with another system running the SIW driver. + (See also RXE which is a similar software driver for RoCE.) + + The driver interfaces with the Linux RDMA stack and + implements both a kernel and user space RDMA verbs API. + The user space verbs API requires a support + library named libsiw which is loaded by the generic user + space verbs API, libibverbs. To implement RDMA over + TCP/IP, the driver further interfaces with the Linux + in-kernel TCP socket layer. diff --git a/drivers/infiniband/sw/siw/Makefile b/drivers/infiniband/sw/siw/Makefile new file mode 100644 index 000000000000..f5f7e3867889 --- /dev/null +++ b/drivers/infiniband/sw/siw/Makefile @@ -0,0 +1,11 @@ +obj-$(CONFIG_RDMA_SIW) += siw.o + +siw-y := \ + siw_cm.o \ + siw_cq.o \ + siw_main.o \ + siw_mem.o \ + siw_qp.o \ + siw_qp_tx.o \ + siw_qp_rx.o \ + siw_verbs.o -- cgit