On 26/05/2019 14:41, Bernard Metzler wrote: > Signed-off-by: Bernard Metzler <bmt@xxxxxxxxxxxxxx> > --- > MAINTAINERS | 7 +++++++ > drivers/infiniband/Kconfig | 1 + > drivers/infiniband/sw/Makefile | 1 + > drivers/infiniband/sw/siw/Kconfig | 17 +++++++++++++++++ > drivers/infiniband/sw/siw/Makefile | 12 ++++++++++++ > 5 files changed, 38 insertions(+) > create mode 100644 drivers/infiniband/sw/siw/Kconfig > create mode 100644 drivers/infiniband/sw/siw/Makefile > > diff --git a/MAINTAINERS b/MAINTAINERS > index 5cfbea4ce575..3b437abffc39 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -14545,6 +14545,13 @@ M: Chris Boot <bootc@xxxxxxxxx> > S: Maintained > F: drivers/leds/leds-net48xx.c > > +SOFT-RDMA DRIVER (siw) SOFT-RDMA or SOFT-IWARP RDMA? > +M: Bernard Metzler (bmt@zurich,ibm.com) Should be a dot between zurich and ibm? > +L: linux-rdma@xxxxxxxxxxxxxxx > +S: Supported > +F: drivers/infiniband/sw/rxe/ > +F: include/uapi/rdma/siw-abi.h > + > SOFT-ROCE DRIVER (rxe) > M: Moni Shoua <monis@xxxxxxxxxxxx> > L: linux-rdma@xxxxxxxxxxxxxxx > diff --git a/drivers/infiniband/Kconfig b/drivers/infiniband/Kconfig > index cbfbea49f126..2013ef848fd1 100644 > --- a/drivers/infiniband/Kconfig > +++ b/drivers/infiniband/Kconfig > @@ -107,6 +107,7 @@ 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 8b095b27db87..d37610fcbbc7 100644 > --- a/drivers/infiniband/sw/Makefile > +++ b/drivers/infiniband/sw/Makefile > @@ -1,2 +1,3 @@ > obj-$(CONFIG_INFINIBAND_RDMAVT) += rdmavt/ > obj-$(CONFIG_RDMA_RXE) += rxe/ > +obj-$(CONFIG_RDMA_SIW) += siw/ > diff --git a/drivers/infiniband/sw/siw/Kconfig b/drivers/infiniband/sw/siw/Kconfig > new file mode 100644 > index 000000000000..94f684174ce3 > --- /dev/null > +++ b/drivers/infiniband/sw/siw/Kconfig > @@ -0,0 +1,17 @@ > +config RDMA_SIW > + tristate "Software RDMA over TCP/IP (iWARP) driver" > + depends on INET && INFINIBAND && CRYPTO_CRC32 > + help > + This driver implements the iWARP RDMA transport over > + the Linux TCP/IP network stack. It enables a system with a > + standard Ethernet adapter to interoperate with a iWARP > + adapter or with another system running the SIW driver. > + (See also RXE which is a similar software driver for RoCE.) > + > + The driver interfaces with the Linux RDMA stack and > + implements both a kernel and user space RDMA verbs API. > + The user space verbs API requires a support > + library named libsiw which is loaded by the generic user > + space verbs API, libibverbs. To implement RDMA over > + TCP/IP, the driver further interfaces with the Linux > + in-kernel TCP socket layer. > diff --git a/drivers/infiniband/sw/siw/Makefile b/drivers/infiniband/sw/siw/Makefile > new file mode 100644 > index 000000000000..ff190cb0d254 > --- /dev/null > +++ b/drivers/infiniband/sw/siw/Makefile > @@ -0,0 +1,12 @@ > +obj-$(CONFIG_RDMA_SIW) += siw.o > + > +siw-y := \ > + siw_cm.o \ > + siw_cq.o \ > + siw_debug.o \ > + siw_main.o \ > + siw_mem.o \ > + siw_qp.o \ > + siw_qp_tx.o \ > + siw_qp_rx.o \ > + siw_verbs.o >
