From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Tue, 22 May 2018 16:18:56 +0300 From: Leon Romanovsky To: Roman Penyaev Cc: linux-block , linux-rdma , Jens Axboe , Christoph Hellwig , Sagi Grimberg , Bart Van Assche , Or Gerlitz , Doug Ledford , Swapnil Ingle , Danil Kipnis , Jack Wang Subject: Re: [PATCH v2 14/26] ibtrs: include client and server modules into kernel compilation Message-ID: <20180522131856.GK23585@mtr-leonro.mtl.com> References: <20180518130413.16997-1-roman.penyaev@profitbricks.com> <20180518130413.16997-15-roman.penyaev@profitbricks.com> <20180522050513.GT7136@mtr-leonro.mtl.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="PuGuTyElPB9bOcsM" In-Reply-To: List-ID: --PuGuTyElPB9bOcsM Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Tue, May 22, 2018 at 11:27:21AM +0200, Roman Penyaev wrote: > On Tue, May 22, 2018 at 7:05 AM, Leon Romanovsky wrote: > > On Fri, May 18, 2018 at 03:04:01PM +0200, Roman Pen wrote: > >> Add IBTRS Makefile, Kconfig and also corresponding lines into upper > >> layer infiniband/ulp files. > >> > >> Signed-off-by: Roman Pen > >> Signed-off-by: Danil Kipnis > >> Cc: Jack Wang > >> --- > >> drivers/infiniband/Kconfig | 1 + > >> drivers/infiniband/ulp/Makefile | 1 + > >> drivers/infiniband/ulp/ibtrs/Kconfig | 20 ++++++++++++++++++++ > >> drivers/infiniband/ulp/ibtrs/Makefile | 15 +++++++++++++++ > >> 4 files changed, 37 insertions(+) > >> create mode 100644 drivers/infiniband/ulp/ibtrs/Kconfig > >> create mode 100644 drivers/infiniband/ulp/ibtrs/Makefile > >> > >> diff --git a/drivers/infiniband/Kconfig b/drivers/infiniband/Kconfig > >> index ee270e065ba9..787bd286fb08 100644 > >> --- a/drivers/infiniband/Kconfig > >> +++ b/drivers/infiniband/Kconfig > >> @@ -94,6 +94,7 @@ source "drivers/infiniband/ulp/srpt/Kconfig" > >> > >> source "drivers/infiniband/ulp/iser/Kconfig" > >> source "drivers/infiniband/ulp/isert/Kconfig" > >> +source "drivers/infiniband/ulp/ibtrs/Kconfig" > >> > >> source "drivers/infiniband/ulp/opa_vnic/Kconfig" > >> source "drivers/infiniband/sw/rdmavt/Kconfig" > >> diff --git a/drivers/infiniband/ulp/Makefile b/drivers/infiniband/ulp/Makefile > >> index 437813c7b481..1c4f10dc8d49 100644 > >> --- a/drivers/infiniband/ulp/Makefile > >> +++ b/drivers/infiniband/ulp/Makefile > >> @@ -5,3 +5,4 @@ obj-$(CONFIG_INFINIBAND_SRPT) += srpt/ > >> obj-$(CONFIG_INFINIBAND_ISER) += iser/ > >> obj-$(CONFIG_INFINIBAND_ISERT) += isert/ > >> obj-$(CONFIG_INFINIBAND_OPA_VNIC) += opa_vnic/ > >> +obj-$(CONFIG_INFINIBAND_IBTRS) += ibtrs/ > >> diff --git a/drivers/infiniband/ulp/ibtrs/Kconfig b/drivers/infiniband/ulp/ibtrs/Kconfig > >> new file mode 100644 > >> index 000000000000..eaeb8f3f6b4e > >> --- /dev/null > >> +++ b/drivers/infiniband/ulp/ibtrs/Kconfig > >> @@ -0,0 +1,20 @@ > >> +config INFINIBAND_IBTRS > >> + tristate > >> + depends on INFINIBAND_ADDR_TRANS > >> + > >> +config INFINIBAND_IBTRS_CLIENT > >> + tristate "IBTRS client module" > >> + depends on INFINIBAND_ADDR_TRANS > >> + select INFINIBAND_IBTRS > >> + help > >> + IBTRS client allows for simplified data transfer and connection > >> + establishment over RDMA (InfiniBand, RoCE, iWarp). Uses BIO-like > >> + READ/WRITE semantics and provides multipath capabilities. > >> + > >> +config INFINIBAND_IBTRS_SERVER > >> + tristate "IBTRS server module" > >> + depends on INFINIBAND_ADDR_TRANS > >> + select INFINIBAND_IBTRS > >> + help > >> + IBTRS server module processing connection and IO requests received > >> + from the IBTRS client module. > >> diff --git a/drivers/infiniband/ulp/ibtrs/Makefile b/drivers/infiniband/ulp/ibtrs/Makefile > >> new file mode 100644 > >> index 000000000000..e6ea858745ad > >> --- /dev/null > >> +++ b/drivers/infiniband/ulp/ibtrs/Makefile > >> @@ -0,0 +1,15 @@ > >> +ibtrs-client-y := ibtrs-clt.o \ > >> + ibtrs-clt-stats.o \ > >> + ibtrs-clt-sysfs.o > >> + > >> +ibtrs-server-y := ibtrs-srv.o \ > >> + ibtrs-srv-stats.o \ > >> + ibtrs-srv-sysfs.o > >> + > >> +ibtrs-core-y := ibtrs.o > >> + > >> +obj-$(CONFIG_INFINIBAND_IBTRS) += ibtrs-core.o > > > > Will it build ibtrs-core in case both server and client are disabled in .config? > > No, CONFIG_INFINIBAND_IBTRS is selected/deselected by > CONFIG_INFINIBAND_IBTRS_CLIENT or CONFIG_INFINIBAND_IBTRS_SERVER, > when you choose them in kconfig. > Thanks > > >> +obj-$(CONFIG_INFINIBAND_IBTRS_CLIENT) += ibtrs-client.o > >> +obj-$(CONFIG_INFINIBAND_IBTRS_SERVER) += ibtrs-server.o > >> + > >> +-include $(src)/compat/compat.mk > > > > What is this? > > Well, in our production we use same source code and in order not to spoil > sources with 'ifdef' macros for different kernel versions I use compat > layer, which obviously will never go upstream. This line is the only > clean way to keep sources always up-to-date with latest kernel and still > be compatible with what we have on our servers in production. > > '-' prefix at the beginning of the line tells make to ignore it if > file does not exist, so should not rise any error for compilation > against latest kernel. > > Here is an example of the compat layer for IBNBD block device: > https://github.com/profitbricks/ibnbd/tree/master/ibnbd/compat I see it, you will need to remove this line from the upstream kernel patches. Thanks > > -- > Roman --PuGuTyElPB9bOcsM Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIcBAEBAgAGBQJbBBi/AAoJEORje4g2clinDSQP/1QemkHQlOdKW/HgdIBk7lpF FYLgBhuS9RtRKpFnSjXR2qGI3+tXOomfEBJi9URIR0spIY+DSPomJlI/GWtlgrgQ /HVv9DxqAhO9ZazORz/lZN+cxCgp4QCWeP2HvVhA+ejOradmmYSq4PiXv0QAWhaa nV6xThm9mkgXWYX/kaoRiNU5BxA3XkKs8F3KoQtGoeS4DCk9shMqajGoxmkxkuRc NCvr4VI5RQLPnj48YQTolP7DlvPDMBm92Jrx2EXlOyAgTb3uxToF9+hOletKCYXv 2mvVm5YufTl0U9CnoDJDw2ra+1sRjutP+Ax3ydOVe4xc3aRRsr3h7D5n1sGtkl3P p+SAbASQ7nQDdq2H2h3elqjnHlzvuMI1X2HtQ4ijMUj3HxuLTszaKrq7W8vIcHna 7Bh80PLbX3YqvzFC6vsc8/m0gaJKH49Ev4f2QsOZQs+jRwEs+ChatzN6JeMAlcOb pQRvpiki3AAt1Qwe8UuU2AMiy8rhOAlX5UuGaGZZc3i3HOkyNX9qm8rYSMDTe34f PnY2UV9xeQnM/JnRtb/hwvuee/v4LEi0G6UKwOu0wlWflW+4vRhi+4IQDyyx8YlG 1nLjYtYiY77Fpe6+BOeRvBt6JQ/Uk6ntQ6DhHd9TqYMBJkLCeabCSZ0eyZD83MsK o5jq780uE1bRCXfZqhcs =xlKa -----END PGP SIGNATURE----- --PuGuTyElPB9bOcsM--