| Message ID | 20190526114156.6827-13-bmt@zurich.ibm.com (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | SIW: Software iWarp RDMA (siw) driver | expand |
On 26/05/2019 14:41, Bernard Metzler wrote: > Signed-off-by: Bernard Metzler <bmt@zurich.ibm.com> > --- > 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@bootc.net> > 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@vger.kernel.org > +S: Supported > +F: drivers/infiniband/sw/rxe/ > +F: include/uapi/rdma/siw-abi.h > + > SOFT-ROCE DRIVER (rxe) > M: Moni Shoua <monis@mellanox.com> > L: linux-rdma@vger.kernel.org > 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 >
-----"Gal Pressman" <galpress@amazon.com> wrote: ----- >To: "Bernard Metzler" <bmt@zurich.ibm.com>, ><linux-rdma@vger.kernel.org> >From: "Gal Pressman" <galpress@amazon.com> >Date: 05/26/2019 02:13PM >Subject: [EXTERNAL] Re: [PATCH for-next v1 12/12] SIW addition to >kernel build environment > >On 26/05/2019 14:41, Bernard Metzler wrote: >> Signed-off-by: Bernard Metzler <bmt@zurich.ibm.com> >> --- >> 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@bootc.net> >> S: Maintained >> F: drivers/leds/leds-net48xx.c >> >> +SOFT-RDMA DRIVER (siw) > >SOFT-RDMA or SOFT-IWARP RDMA? Yes, thanks, sure, it is SOFT-IWARP. > >> +M: Bernard Metzler (bmt@zurich,ibm.com) > >Should be a dot between zurich and ibm? > Of course.... Thanks a lot! Bernard >> +L: linux-rdma@vger.kernel.org >> +S: Supported >> +F: drivers/infiniband/sw/rxe/ >> +F: include/uapi/rdma/siw-abi.h >> + >> SOFT-ROCE DRIVER (rxe) >> M: Moni Shoua <monis@mellanox.com> >> L: linux-rdma@vger.kernel.org >> 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 >> > >
-----"Gal Pressman" <galpress@amazon.com> wrote: ----- >To: "Bernard Metzler" <bmt@zurich.ibm.com>, ><linux-rdma@vger.kernel.org> >From: "Gal Pressman" <galpress@amazon.com> >Date: 05/26/2019 02:13PM >Subject: [EXTERNAL] Re: [PATCH for-next v1 12/12] SIW addition to >kernel build environment > >On 26/05/2019 14:41, Bernard Metzler wrote: >> Signed-off-by: Bernard Metzler <bmt@zurich.ibm.com> >> --- >> 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@bootc.net> >> S: Maintained >> F: drivers/leds/leds-net48xx.c >> Sorry, somewhat did put an 'EXTERNAL' blah into the subject of your comment. Awesome. I'll try to avoid that subject changes in the future. Sorry about that. So, yes, SOFT-IWARP is the name of the thing and bmt is reachable at zurich.ibm.com Thanks a lot, Bernard. >> +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@vger.kernel.org >> +S: Supported >> +F: drivers/infiniband/sw/rxe/ >> +F: include/uapi/rdma/siw-abi.h >> + >> SOFT-ROCE DRIVER (rxe) >> M: Moni Shoua <monis@mellanox.com> >> L: linux-rdma@vger.kernel.org >> 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 >> > >
On Sun, May 26, 2019 at 01:41:56PM +0200, Bernard Metzler wrote: > Signed-off-by: Bernard Metzler <bmt@zurich.ibm.com> > --- > 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@bootc.net> > S: Maintained > F: drivers/leds/leds-net48xx.c > > +SOFT-RDMA DRIVER (siw) > +M: Bernard Metzler (bmt@zurich,ibm.com) As Gal said "." in email and it should be <bmt@zurich.ibm.com> and not (bmt@zurich,ibm.com) > +L: linux-rdma@vger.kernel.org > +S: Supported > +F: drivers/infiniband/sw/rxe/ > +F: include/uapi/rdma/siw-abi.h > + > SOFT-ROCE DRIVER (rxe) > M: Moni Shoua <monis@mellanox.com> > L: linux-rdma@vger.kernel.org > 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 > -- > 2.17.2 >
--- Bernard Metzler, PhD Tech. Leader High Performance I/O, Principal Research Staff IBM Zurich Research Laboratory Saeumerstrasse 4 CH-8803 Rueschlikon, Switzerland +41 44 724 8605 -----"Leon Romanovsky" <leon@kernel.org> wrote: ----- >To: "Bernard Metzler" <bmt@zurich.ibm.com> >From: "Leon Romanovsky" <leon@kernel.org> >Date: 06/10/2019 09:37AM >Cc: linux-rdma@vger.kernel.org >Subject: [EXTERNAL] Re: [PATCH for-next v1 12/12] SIW addition to >kernel build environment > >On Sun, May 26, 2019 at 01:41:56PM +0200, Bernard Metzler wrote: >> Signed-off-by: Bernard Metzler <bmt@zurich.ibm.com> >> --- >> 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@bootc.net> >> S: Maintained >> F: drivers/leds/leds-net48xx.c >> >> +SOFT-RDMA DRIVER (siw) >> +M: Bernard Metzler (bmt@zurich,ibm.com) > >As Gal said "." in email and it should be <bmt@zurich.ibm.com> >and not (bmt@zurich,ibm.com) > right. >> +L: linux-rdma@vger.kernel.org >> +S: Supported >> +F: drivers/infiniband/sw/rxe/ ummh, and this shall be sw/siw ;) >> +F: include/uapi/rdma/siw-abi.h >> + >> SOFT-ROCE DRIVER (rxe) >> M: Moni Shoua <monis@mellanox.com> >> L: linux-rdma@vger.kernel.org >> 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 >> -- >> 2.17.2 >> > >
diff --git a/MAINTAINERS b/MAINTAINERS index 5cfbea4ce575..3b437abffc39 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -14545,6 +14545,13 @@ M: Chris Boot <bootc@bootc.net> S: Maintained F: drivers/leds/leds-net48xx.c +SOFT-RDMA DRIVER (siw) +M: Bernard Metzler (bmt@zurich,ibm.com) +L: linux-rdma@vger.kernel.org +S: Supported +F: drivers/infiniband/sw/rxe/ +F: include/uapi/rdma/siw-abi.h + SOFT-ROCE DRIVER (rxe) M: Moni Shoua <monis@mellanox.com> L: linux-rdma@vger.kernel.org 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
Signed-off-by: Bernard Metzler <bmt@zurich.ibm.com> --- 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