Index: contrib/ofed/include/rdma/Makefile =================================================================== --- contrib/ofed/include/rdma/Makefile +++ contrib/ofed/include/rdma/Makefile @@ -2,7 +2,7 @@ INCS= RDMACM= ${.CURDIR}/../../librdmacm/include/rdma -RDMACMINCS= ${RDMACM}/rdma_cma.h ${RDMACM}/rdma_cma_abi.h +RDMACMINCS= ${RDMACM}/rdma_cma.h ${RDMACM}/rdma_cma_abi.h ${RDMACM}/rdma_verbs.h RDMACMINCSDIR= ${INCLUDEDIR}/rdma INCSGROUPS= RDMACMINCS Index: contrib/ofed/librdmacm/Makefile.am =================================================================== --- contrib/ofed/librdmacm/Makefile.am +++ contrib/ofed/librdmacm/Makefile.am @@ -1,10 +1,14 @@ -INCLUDES = -I$(srcdir)/include +AM_CPPFLAGS = -I$(srcdir)/include +rslibdir = $(libdir)/rsocket lib_LTLIBRARIES = src/librdmacm.la +rslib_LTLIBRARIES = src/librspreload.la -AM_CFLAGS = -g -Wall -D_GNU_SOURCE +ACLOCAL_AMFLAGS = -I config +AM_CFLAGS = -g -Wall -D_GNU_SOURCE -DSYSCONFDIR=\"$(sysconfdir)\" -DRDMADIR=\"@rdmadir@\" src_librdmacm_la_CFLAGS = $(AM_CFLAGS) +src_librspreload_la_CFLAGS = $(AM_CFLAGS) if HAVE_LD_VERSION_SCRIPT librdmacm_version_script = -Wl,--version-script=$(srcdir)/src/librdmacm.map @@ -12,25 +16,56 @@ librdmacm_version_script = endif -src_librdmacm_la_SOURCES = src/cma.c +src_librdmacm_la_SOURCES = src/cma.c src/addrinfo.c src/acm.c \ + src/rsocket.c src/indexer.c src_librdmacm_la_LDFLAGS = -version-info 1 -export-dynamic \ $(librdmacm_version_script) src_librdmacm_la_DEPENDENCIES = $(srcdir)/src/librdmacm.map -bin_PROGRAMS = examples/ucmatose examples/rping examples/udaddy examples/mckey -examples_ucmatose_SOURCES = examples/cmatose.c +src_librspreload_la_SOURCES = src/preload.c src/indexer.c +src_librspreload_la_LDFLAGS = -version-info 1 -export-dynamic +src_librspreload_la_LIBADD = $(top_builddir)/src/librdmacm.la + +bin_PROGRAMS = examples/ucmatose examples/rping examples/udaddy examples/mckey \ + examples/rdma_client examples/rdma_server examples/rdma_xclient \ + examples/rdma_xserver examples/rstream examples/rcopy \ + examples/riostream examples/udpong examples/cmtime +examples_ucmatose_SOURCES = examples/cmatose.c examples/common.c examples_ucmatose_LDADD = $(top_builddir)/src/librdmacm.la examples_rping_SOURCES = examples/rping.c examples_rping_LDADD = $(top_builddir)/src/librdmacm.la -examples_udaddy_SOURCES = examples/udaddy.c +examples_udaddy_SOURCES = examples/udaddy.c examples/common.c examples_udaddy_LDADD = $(top_builddir)/src/librdmacm.la examples_mckey_SOURCES = examples/mckey.c examples_mckey_LDADD = $(top_builddir)/src/librdmacm.la +examples_rdma_client_SOURCES = examples/rdma_client.c +examples_rdma_client_LDADD = $(top_builddir)/src/librdmacm.la +examples_rdma_server_SOURCES = examples/rdma_server.c +examples_rdma_server_LDADD = $(top_builddir)/src/librdmacm.la +examples_rdma_xclient_SOURCES = examples/rdma_xclient.c +examples_rdma_xclient_LDADD = $(top_builddir)/src/librdmacm.la +examples_rdma_xserver_SOURCES = examples/rdma_xserver.c +examples_rdma_xserver_LDADD = $(top_builddir)/src/librdmacm.la +examples_rstream_SOURCES = examples/rstream.c examples/common.c +examples_rstream_LDADD = $(top_builddir)/src/librdmacm.la +examples_riostream_SOURCES = examples/riostream.c examples/common.c +examples_riostream_LDADD = $(top_builddir)/src/librdmacm.la +examples_rcopy_SOURCES = examples/rcopy.c +examples_rcopy_LDADD = $(top_builddir)/src/librdmacm.la +examples_udpong_SOURCES = examples/udpong.c examples/common.c +examples_udpong_LDADD = $(top_builddir)/src/librdmacm.la +examples_cmtime_SOURCES = examples/cmtime.c examples/common.c +examples_cmtime_LDADD = $(top_builddir)/src/librdmacm.la librdmacmincludedir = $(includedir)/rdma +infinibandincludedir = $(includedir)/infiniband + +librdmacminclude_HEADERS = $(top_srcdir)/include/rdma/rdma_cma_abi.h \ + $(top_srcdir)/include/rdma/rdma_cma.h \ + $(top_srcdir)/include/rdma/rdma_verbs.h \ + $(top_srcdir)/include/rdma/rsocket.h -librdmacminclude_HEADERS = include/rdma/rdma_cma_abi.h \ - include/rdma/rdma_cma.h +infinibandinclude_HEADERS = $(top_srcdir)/include/infiniband/ib.h man_MANS = \ man/rdma_accept.3 \ @@ -40,9 +75,11 @@ man/rdma_create_event_channel.3 \ man/rdma_create_id.3 \ man/rdma_create_qp.3 \ + man/rdma_create_srq.3 \ man/rdma_destroy_event_channel.3 \ man/rdma_destroy_id.3 \ man/rdma_destroy_qp.3 \ + man/rdma_destroy_srq.3 \ man/rdma_disconnect.3 \ man/rdma_free_devices.3 \ man/rdma_get_cm_event.3 \ @@ -61,14 +98,41 @@ man/rdma_resolve_route.3 \ man/rdma_event_str.3 \ man/rdma_set_option.3 \ + man/rdma_get_request.3 \ + man/rdma_create_ep.3 \ + man/rdma_destroy_ep.3 \ + man/rdma_getaddrinfo.3 \ + man/rdma_dereg_mr.3 \ + man/rdma_get_recv_comp.3 \ + man/rdma_get_send_comp.3 \ + man/rdma_post_read.3 \ + man/rdma_post_readv.3 \ + man/rdma_post_recv.3 \ + man/rdma_post_recvv.3 \ + man/rdma_post_send.3 \ + man/rdma_post_sendv.3 \ + man/rdma_post_ud_send.3 \ + man/rdma_post_write.3 \ + man/rdma_post_writev.3 \ + man/rdma_reg_msgs.3 \ + man/rdma_reg_read.3 \ + man/rdma_reg_write.3 \ man/ucmatose.1 \ man/udaddy.1 \ man/mckey.1 \ man/rping.1 \ - 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This causes the RDMA stack to incorrectly map the remote IP address to the wrong RDMA device. + +Using loopback + The librdmacm relies on ARP to resolve IP address to RDMA + addresses. To support loopback connections between different + ports on the same system, ARP must be enabled for local + resolution: + + sysctl net.ipv4.conf.all.accept_local=1 + + Without this setting, loopback connections may timeout + during address resolution. 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- 2020:CLIX:*:* | 2430:CLIX:*:*) - echo clipper-intergraph-clix${UNAME_RELEASE} - exit ;; - mips:*:*:UMIPS | mips:*:*:RISCos) - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c -#ifdef __cplusplus -#include /* for printf() prototype */ - int main (int argc, char *argv[]) { -#else - int main (argc, argv) int argc; char *argv[]; { -#endif - #if defined (host_mips) && defined (MIPSEB) - #if defined (SYSTYPE_SYSV) - printf ("mips-mips-riscos%ssysv\n", argv[1]); exit (0); - #endif - #if defined (SYSTYPE_SVR4) - printf ("mips-mips-riscos%ssvr4\n", argv[1]); exit (0); - #endif - #if defined (SYSTYPE_BSD43) || defined(SYSTYPE_BSD) - printf ("mips-mips-riscos%sbsd\n", argv[1]); exit (0); - #endif - #endif - exit (-1); - } -EOF - $CC_FOR_BUILD -o $dummy $dummy.c && - dummyarg=`echo "${UNAME_RELEASE}" | sed -n 's/\([0-9]*\).*/\1/p'` && - SYSTEM_NAME=`$dummy $dummyarg` && - { echo "$SYSTEM_NAME"; exit; } - echo mips-mips-riscos${UNAME_RELEASE} - exit ;; - Motorola:PowerMAX_OS:*:*) - echo powerpc-motorola-powermax - exit ;; - Motorola:*:4.3:PL8-*) - echo powerpc-harris-powermax - exit ;; - Night_Hawk:*:*:PowerMAX_OS | Synergy:PowerMAX_OS:*:*) - echo powerpc-harris-powermax - exit ;; - Night_Hawk:Power_UNIX:*:*) - echo powerpc-harris-powerunix - exit ;; - m88k:CX/UX:7*:*) - echo m88k-harris-cxux7 - exit ;; - m88k:*:4*:R4*) - echo m88k-motorola-sysv4 - exit ;; - m88k:*:3*:R3*) - echo m88k-motorola-sysv3 - exit ;; - AViiON:dgux:*:*) - # DG/UX returns AViiON for all architectures - UNAME_PROCESSOR=`/usr/bin/uname -p` - if [ $UNAME_PROCESSOR = mc88100 ] || [ $UNAME_PROCESSOR = mc88110 ] - then - if [ ${TARGET_BINARY_INTERFACE}x = m88kdguxelfx ] || \ - [ ${TARGET_BINARY_INTERFACE}x = x ] - then - echo m88k-dg-dgux${UNAME_RELEASE} - else - echo m88k-dg-dguxbcs${UNAME_RELEASE} - fi - else - echo i586-dg-dgux${UNAME_RELEASE} - fi - exit ;; - M88*:DolphinOS:*:*) # DolphinOS (SVR3) - echo m88k-dolphin-sysv3 - exit ;; - M88*:*:R3*:*) - # Delta 88k system running SVR3 - echo m88k-motorola-sysv3 - exit ;; - XD88*:*:*:*) # Tektronix XD88 system running UTekV (SVR3) - echo m88k-tektronix-sysv3 - exit ;; - Tek43[0-9][0-9]:UTek:*:*) # Tektronix 4300 system running UTek (BSD) - echo m68k-tektronix-bsd - exit ;; - *:IRIX*:*:*) - echo mips-sgi-irix`echo ${UNAME_RELEASE}|sed -e 's/-/_/g'` - exit ;; - ????????:AIX?:[12].1:2) # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX. - echo romp-ibm-aix # uname -m gives an 8 hex-code CPU id - exit ;; # Note that: echo "'`uname -s`'" gives 'AIX ' - i*86:AIX:*:*) - echo i386-ibm-aix - exit ;; - ia64:AIX:*:*) - if [ -x /usr/bin/oslevel ] ; then - IBM_REV=`/usr/bin/oslevel` - else - IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE} - fi - echo ${UNAME_MACHINE}-ibm-aix${IBM_REV} - exit ;; - *:AIX:2:3) - if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c - #include - - main() - { - if (!__power_pc()) - exit(1); - puts("powerpc-ibm-aix3.2.5"); - exit(0); - } -EOF - if $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` - then - echo "$SYSTEM_NAME" - else - echo rs6000-ibm-aix3.2.5 - fi - elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then - echo rs6000-ibm-aix3.2.4 - else - echo rs6000-ibm-aix3.2 - fi - exit ;; - *:AIX:*:[45]) - IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'` - if /usr/sbin/lsattr -El ${IBM_CPU_ID} | grep ' POWER' >/dev/null 2>&1; then - IBM_ARCH=rs6000 - else - IBM_ARCH=powerpc - fi - if [ -x /usr/bin/oslevel ] ; then - IBM_REV=`/usr/bin/oslevel` - else - IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE} - fi - echo ${IBM_ARCH}-ibm-aix${IBM_REV} - exit ;; - *:AIX:*:*) - echo rs6000-ibm-aix - exit ;; - ibmrt:4.4BSD:*|romp-ibm:BSD:*) - echo romp-ibm-bsd4.4 - exit ;; - ibmrt:*BSD:*|romp-ibm:BSD:*) # covers RT/PC BSD and - echo romp-ibm-bsd${UNAME_RELEASE} # 4.3 with uname added to - exit ;; # report: romp-ibm BSD 4.3 - *:BOSX:*:*) - echo rs6000-bull-bosx - exit ;; - DPX/2?00:B.O.S.:*:*) - echo m68k-bull-sysv3 - exit ;; - 9000/[34]??:4.3bsd:1.*:*) - echo m68k-hp-bsd - exit ;; - hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*) - echo m68k-hp-bsd4.4 - exit ;; - 9000/[34678]??:HP-UX:*:*) - HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` - case "${UNAME_MACHINE}" in - 9000/31? ) HP_ARCH=m68000 ;; - 9000/[34]?? ) HP_ARCH=m68k ;; - 9000/[678][0-9][0-9]) - if [ -x /usr/bin/getconf ]; then - sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null` - sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null` - case "${sc_cpu_version}" in - 523) HP_ARCH="hppa1.0" ;; # CPU_PA_RISC1_0 - 528) HP_ARCH="hppa1.1" ;; # CPU_PA_RISC1_1 - 532) # CPU_PA_RISC2_0 - case "${sc_kernel_bits}" in - 32) HP_ARCH="hppa2.0n" ;; - 64) HP_ARCH="hppa2.0w" ;; - '') HP_ARCH="hppa2.0" ;; # HP-UX 10.20 - esac ;; - esac - fi - if [ "${HP_ARCH}" = "" ]; then - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c - - #define _HPUX_SOURCE - #include - #include - - int main () - { - #if defined(_SC_KERNEL_BITS) - long bits = sysconf(_SC_KERNEL_BITS); - #endif - long cpu = sysconf (_SC_CPU_VERSION); - - switch (cpu) - { - case CPU_PA_RISC1_0: puts ("hppa1.0"); break; - case CPU_PA_RISC1_1: puts ("hppa1.1"); break; - case CPU_PA_RISC2_0: - #if defined(_SC_KERNEL_BITS) - switch (bits) - { - case 64: puts ("hppa2.0w"); break; - case 32: puts ("hppa2.0n"); break; - default: puts ("hppa2.0"); break; - } break; - #else /* !defined(_SC_KERNEL_BITS) */ - puts ("hppa2.0"); break; - #endif - default: puts ("hppa1.0"); break; - } - exit (0); - } -EOF - (CCOPTS= $CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null) && HP_ARCH=`$dummy` - test -z "$HP_ARCH" && HP_ARCH=hppa - fi ;; - esac - if [ ${HP_ARCH} = "hppa2.0w" ] - then - eval $set_cc_for_build - - # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating - # 32-bit code. hppa64-hp-hpux* has the same kernel and a compiler - # generating 64-bit code. GNU and HP use different nomenclature: - # - # $ CC_FOR_BUILD=cc ./config.guess - # => hppa2.0w-hp-hpux11.23 - # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess - # => hppa64-hp-hpux11.23 - - if echo __LP64__ | (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | - grep __LP64__ >/dev/null - then - HP_ARCH="hppa2.0w" - else - HP_ARCH="hppa64" - fi - fi - echo ${HP_ARCH}-hp-hpux${HPUX_REV} - exit ;; - ia64:HP-UX:*:*) - HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` - echo ia64-hp-hpux${HPUX_REV} - exit ;; - 3050*:HI-UX:*:*) - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c - #include - int - main () - { - long cpu = sysconf (_SC_CPU_VERSION); - /* The order matters, because CPU_IS_HP_MC68K erroneously returns - true for CPU_PA_RISC1_0. CPU_IS_PA_RISC returns correct - results, however. */ - if (CPU_IS_PA_RISC (cpu)) - { - switch (cpu) - { - case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break; - case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break; - case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break; - default: puts ("hppa-hitachi-hiuxwe2"); break; - } - } - else if (CPU_IS_HP_MC68K (cpu)) - puts ("m68k-hitachi-hiuxwe2"); - else puts ("unknown-hitachi-hiuxwe2"); - exit (0); - } -EOF - $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` && - { echo "$SYSTEM_NAME"; exit; } - echo unknown-hitachi-hiuxwe2 - exit ;; - 9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:* ) - echo hppa1.1-hp-bsd - exit ;; - 9000/8??:4.3bsd:*:*) - echo hppa1.0-hp-bsd - exit ;; - *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*) - echo hppa1.0-hp-mpeix - exit ;; - hp7??:OSF1:*:* | hp8?[79]:OSF1:*:* ) - echo hppa1.1-hp-osf - exit ;; - hp8??:OSF1:*:*) - echo hppa1.0-hp-osf - exit ;; - i*86:OSF1:*:*) - if [ -x /usr/sbin/sysversion ] ; then - echo ${UNAME_MACHINE}-unknown-osf1mk - else - echo ${UNAME_MACHINE}-unknown-osf1 - fi - exit ;; - parisc*:Lites*:*:*) - echo hppa1.1-hp-lites - exit ;; - C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*) - echo c1-convex-bsd - exit ;; - C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*) - if getsysinfo -f scalar_acc - then echo c32-convex-bsd - else echo c2-convex-bsd - fi - exit ;; - C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*) - echo c34-convex-bsd - exit ;; - C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*) - echo c38-convex-bsd - exit ;; - C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*) - echo c4-convex-bsd - exit ;; - CRAY*Y-MP:*:*:*) - echo ymp-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' - exit ;; - CRAY*[A-Z]90:*:*:*) - echo ${UNAME_MACHINE}-cray-unicos${UNAME_RELEASE} \ - | sed -e 's/CRAY.*\([A-Z]90\)/\1/' \ - -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \ - -e 's/\.[^.]*$/.X/' - exit ;; - CRAY*TS:*:*:*) - echo t90-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' - exit ;; - CRAY*T3E:*:*:*) - echo alphaev5-cray-unicosmk${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' - exit ;; - CRAY*SV1:*:*:*) - echo sv1-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' - exit ;; - *:UNICOS/mp:*:*) - echo craynv-cray-unicosmp${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' - exit ;; - F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*) - FUJITSU_PROC=`uname -m | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'` - FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` - FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'` - echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" - exit ;; - 5000:UNIX_System_V:4.*:*) - FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` - FUJITSU_REL=`echo ${UNAME_RELEASE} | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/ /_/'` - echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" - exit ;; - i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*) - echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE} - exit ;; - sparc*:BSD/OS:*:*) - echo sparc-unknown-bsdi${UNAME_RELEASE} - exit ;; - *:BSD/OS:*:*) - echo ${UNAME_MACHINE}-unknown-bsdi${UNAME_RELEASE} - exit ;; - *:FreeBSD:*:*) - echo ${UNAME_MACHINE}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` - exit ;; - i*:CYGWIN*:*) - echo ${UNAME_MACHINE}-pc-cygwin - exit ;; - i*:MINGW*:*) - echo ${UNAME_MACHINE}-pc-mingw32 - exit ;; - i*:windows32*:*) - # uname -m includes "-pc" on this system. - echo ${UNAME_MACHINE}-mingw32 - exit ;; - i*:PW*:*) - echo ${UNAME_MACHINE}-pc-pw32 - exit ;; - x86:Interix*:[34]*) - echo i586-pc-interix${UNAME_RELEASE}|sed -e 's/\..*//' - exit ;; - [345]86:Windows_95:* | [345]86:Windows_98:* | [345]86:Windows_NT:*) - echo i${UNAME_MACHINE}-pc-mks - exit ;; - i*:Windows_NT*:* | Pentium*:Windows_NT*:*) - # How do we know it's Interix rather than the generic POSIX subsystem? - # It also conflicts with pre-2.0 versions of AT&T UWIN. Should we - # UNAME_MACHINE based on the output of uname instead of i386? - echo i586-pc-interix - exit ;; - i*:UWIN*:*) - echo ${UNAME_MACHINE}-pc-uwin - exit ;; - amd64:CYGWIN*:*:* | x86_64:CYGWIN*:*:*) - echo x86_64-unknown-cygwin - exit ;; - p*:CYGWIN*:*) - echo powerpcle-unknown-cygwin - exit ;; - prep*:SunOS:5.*:*) - echo powerpcle-unknown-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` - exit ;; - *:GNU:*:*) - # the GNU system - echo `echo ${UNAME_MACHINE}|sed -e 's,[-/].*$,,'`-unknown-gnu`echo ${UNAME_RELEASE}|sed -e 's,/.*$,,'` - exit ;; - *:GNU/*:*:*) - # other systems with GNU libc and userland - echo ${UNAME_MACHINE}-unknown-`echo ${UNAME_SYSTEM} | sed 's,^[^/]*/,,' | tr '[A-Z]' '[a-z]'``echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`-gnu - exit ;; - i*86:Minix:*:*) - echo ${UNAME_MACHINE}-pc-minix - exit ;; - arm*:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - cris:Linux:*:*) - echo cris-axis-linux-gnu - exit ;; - crisv32:Linux:*:*) - echo crisv32-axis-linux-gnu - exit ;; - frv:Linux:*:*) - echo frv-unknown-linux-gnu - exit ;; - ia64:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - m32r*:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - m68*:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - mips:Linux:*:*) - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c - #undef CPU - #undef mips - #undef mipsel - #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL) - CPU=mipsel - #else - #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB) - CPU=mips - #else - CPU= - #endif - #endif -EOF - eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep ^CPU=` - test x"${CPU}" != x && { echo "${CPU}-unknown-linux-gnu"; exit; } - ;; - mips64:Linux:*:*) - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c - #undef CPU - #undef mips64 - #undef mips64el - #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL) - CPU=mips64el - #else - #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB) - CPU=mips64 - #else - CPU= - #endif - #endif -EOF - eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep ^CPU=` - test x"${CPU}" != x && { echo "${CPU}-unknown-linux-gnu"; exit; } - ;; - or32:Linux:*:*) - echo or32-unknown-linux-gnu - exit ;; - ppc:Linux:*:*) - echo powerpc-unknown-linux-gnu - exit ;; - ppc64:Linux:*:*) - echo powerpc64-unknown-linux-gnu - exit ;; - alpha:Linux:*:*) - case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in - EV5) UNAME_MACHINE=alphaev5 ;; - EV56) UNAME_MACHINE=alphaev56 ;; - PCA56) UNAME_MACHINE=alphapca56 ;; - PCA57) UNAME_MACHINE=alphapca56 ;; - EV6) UNAME_MACHINE=alphaev6 ;; - EV67) UNAME_MACHINE=alphaev67 ;; - EV68*) UNAME_MACHINE=alphaev68 ;; - esac - objdump --private-headers /bin/sh | grep ld.so.1 >/dev/null - if test "$?" = 0 ; then LIBC="libc1" ; else LIBC="" ; fi - echo ${UNAME_MACHINE}-unknown-linux-gnu${LIBC} - exit ;; - parisc:Linux:*:* | hppa:Linux:*:*) - # Look for CPU level - case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in - PA7*) echo hppa1.1-unknown-linux-gnu ;; - PA8*) echo hppa2.0-unknown-linux-gnu ;; - *) echo hppa-unknown-linux-gnu ;; - esac - exit ;; - parisc64:Linux:*:* | hppa64:Linux:*:*) - echo hppa64-unknown-linux-gnu - exit ;; - s390:Linux:*:* | s390x:Linux:*:*) - echo ${UNAME_MACHINE}-ibm-linux - exit ;; - sh64*:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - sh*:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - sparc:Linux:*:* | sparc64:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - x86_64:Linux:*:*) - echo x86_64-unknown-linux-gnu - exit ;; - i*86:Linux:*:*) - # The BFD linker knows what the default object file format is, so - # first see if it will tell us. cd to the root directory to prevent - # problems with other programs or directories called `ld' in the path. - # Set LC_ALL=C to ensure ld outputs messages in English. - ld_supported_targets=`cd /; LC_ALL=C ld --help 2>&1 \ - | sed -ne '/supported targets:/!d - s/[ ][ ]*/ /g - s/.*supported targets: *// - s/ .*// - p'` - case "$ld_supported_targets" in - elf32-i386) - TENTATIVE="${UNAME_MACHINE}-pc-linux-gnu" - ;; - a.out-i386-linux) - echo "${UNAME_MACHINE}-pc-linux-gnuaout" - exit ;; - coff-i386) - echo "${UNAME_MACHINE}-pc-linux-gnucoff" - exit ;; 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See the -# GNU General Public License for more details. - -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -# 02110-1301, USA. - -# As a special exception to the GNU General Public License, if you -# distribute this file as part of a program that contains a -# configuration script generated by Autoconf, you may include it under -# the same distribution terms that you use for the rest of that program. - -# Originally written by Alexandre Oliva . - -case $1 in - '') - echo "$0: No command. Try \`$0 --help' for more information." 1>&2 - exit 1; - ;; - -h | --h*) - cat <<\EOF -Usage: depcomp [--help] [--version] PROGRAM [ARGS] - -Run PROGRAMS ARGS to compile a file, generating dependencies -as side-effects. - -Environment variables: - depmode Dependency tracking mode. - source Source file read by `PROGRAMS ARGS'. - object Object file output by `PROGRAMS ARGS'. - DEPDIR directory where to store dependencies. - depfile Dependency file to output. - tmpdepfile Temporary file to use when outputing dependencies. - libtool Whether libtool is used (yes/no). - -Report bugs to . -EOF - exit $? - ;; - -v | --v*) - echo "depcomp $scriptversion" - exit $? - ;; -esac - -if test -z "$depmode" || test -z "$source" || test -z "$object"; then - echo "depcomp: Variables source, object and depmode must be set" 1>&2 - exit 1 -fi - -# Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po. -depfile=${depfile-`echo "$object" | - sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`} -tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`} - -rm -f "$tmpdepfile" - -# Some modes work just like other modes, but use different flags. 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- grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' - { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 - (eval $ac_try) 2>&5 - ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); }; } && - { ac_try='test -s conftest.$ac_objext' - { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 - (eval $ac_try) 2>&5 - ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); }; }; then - ac_lo=0 ac_mid=0 - while :; do - cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF -/* end confdefs.h. */ -$ac_includes_default -int -main () -{ -static int test_array [1 - 2 * !(((long) (sizeof (long))) <= $ac_mid)]; -test_array [0] = 0 - - ; - return 0; -} -_ACEOF -rm -f conftest.$ac_objext -if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 - (eval $ac_compile) 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' - { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 - (eval $ac_try) 2>&5 - ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); }; } && - { ac_try='test -s conftest.$ac_objext' - { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 - (eval $ac_try) 2>&5 - ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); }; }; then - ac_hi=$ac_mid; break -else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - -ac_lo=`expr $ac_mid + 1` - if test $ac_lo -le $ac_mid; then - ac_lo= ac_hi= - break - fi - ac_mid=`expr 2 '*' $ac_mid + 1` -fi -rm -f conftest.err conftest.$ac_objext conftest.$ac_ext - done -else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - -cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF -/* end confdefs.h. */ -$ac_includes_default -int -main () -{ -static int test_array [1 - 2 * !(((long) (sizeof (long))) < 0)]; -test_array [0] = 0 - - ; - return 0; -} -_ACEOF -rm -f conftest.$ac_objext -if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 - (eval $ac_compile) 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' - { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 - (eval $ac_try) 2>&5 - ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); }; } && - { ac_try='test -s conftest.$ac_objext' - { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 - (eval $ac_try) 2>&5 - ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); }; }; then - ac_hi=-1 ac_mid=-1 - while :; do - cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF -/* end confdefs.h. */ -$ac_includes_default -int -main () -{ -static int test_array [1 - 2 * !(((long) (sizeof (long))) >= $ac_mid)]; -test_array [0] = 0 - - ; - return 0; -} -_ACEOF -rm -f conftest.$ac_objext -if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 - (eval $ac_compile) 2>conftest.er1 - ac_status=$? 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When coming back to configure, we -# need to make the FD available again. -if test "$no_create" != yes; then - ac_cs_success=: - ac_config_status_args= - test "$silent" = yes && - ac_config_status_args="$ac_config_status_args --quiet" - exec 5>/dev/null - $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false - exec 5>>config.log - # Use ||, not &&, to avoid exiting from the if with $? = 1, which - # would make configure fail if this is the last instruction. - $ac_cs_success || { (exit 1); exit 1; } -fi - Index: contrib/ofed/librdmacm/configure.ac =================================================================== --- /dev/null +++ contrib/ofed/librdmacm/configure.ac @@ -0,0 +1,108 @@ +dnl Process this file with autoconf to produce a configure script. + +AC_PREREQ([2.63]) +AC_INIT([librdmacm],[1.0.21mlnx],[linux-rdma@vger.kernel.org]) +AC_CONFIG_SRCDIR([src/cma.c]) +AC_CONFIG_AUX_DIR(config) +AC_CONFIG_MACRO_DIR(config) +AC_CONFIG_HEADERS([config.h]) +AM_INIT_AUTOMAKE([foreign subdir-objects]) +m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])]) + +LT_INIT + +AC_ARG_WITH([valgrind], + AS_HELP_STRING([--with-valgrind], + [Enable valgrind annotations - default NO])) + +if test "$with_valgrind" != "" && test "$with_valgrind" != "no"; then + AC_DEFINE([INCLUDE_VALGRIND], 1, + [Define to 1 to enable valgrind annotations]) + if test -d $with_valgrind; then + CPPFLAGS="$CPPLFAGS -I$with_valgrind/include" + fi +fi + +AC_ARG_ENABLE(libcheck, [ --disable-libcheck do not test for presence of ib libraries], +[ if test "$enableval" = "no"; then + disable_libcheck=yes + fi +]) + +dnl Checks for programs +AC_PROG_CC + +dnl Checks for typedefs, structures, and compiler characteristics. +AC_C_CONST +AC_CHECK_SIZEOF(long) + +dnl Checks for libraries +AC_CHECK_LIB(pthread, pthread_mutex_init, [], + AC_MSG_ERROR([pthread_mutex_init() not found. librdmacm requires libpthread.])) +if test "$disable_libcheck" != "yes"; then +AC_CHECK_LIB(ibverbs, ibv_cmd_open_xrcd, [], + AC_MSG_ERROR([ibv_cmd_open_xrcd() not found. librdmacm requires libibverbs 1.1.8 or later.])) +fi + +dnl Check for gcc atomic intrinsics +AC_MSG_CHECKING(compiler support for atomics) +AC_LINK_IFELSE([AC_LANG_PROGRAM([[int i = 0;]], + [[ return __sync_add_and_fetch(&i, 1) != __sync_sub_and_fetch(&i, 1); ]])], + [ AC_MSG_RESULT(yes) ], + [ + AC_MSG_RESULT(no) + AC_DEFINE(DEFINE_ATOMICS, 1, [Set to 1 to implement atomics]) + ]) + +dnl Checks for header files. +AC_HEADER_STDC +if test "$disable_libcheck" != "yes"; then +AC_CHECK_HEADER(infiniband/verbs.h, [], + AC_MSG_ERROR([ not found. Is libibverbs installed?])) + +if test "$with_valgrind" != "" && test "$with_valgrind" != "no"; then +AC_CHECK_HEADER(valgrind/memcheck.h, [], + AC_MSG_ERROR([valgrind requested but not found.])) +fi +fi + +dnl Checks close on exec support +AC_CHECK_HEADERS([fcntl.h sys/socket.h]) + +AC_CHECK_DECLS([O_CLOEXEC],,[AC_DEFINE([O_CLOEXEC],[0], [Defined to 0 if not provided])], +[[ +#ifdef HAVE_FCNTL_H +# include +#endif +]]) +AC_CHECK_DECLS([SOCK_CLOEXEC],,[AC_DEFINE([SOCK_CLOEXEC],[0],[Defined to 0 if not provided])], +[[ +#ifdef HAVE_SYS_SOCKET_H +# include +#endif +]]) + +AC_CACHE_CHECK(for close on exec modifier for fopen(), ac_cv_feature_stream_cloexec_flag, + [if test $ac_cv_have_decl_O_CLOEXEC = yes ; then + if test $ac_cv_have_decl_SOCK_CLOEXEC = yes ; then + ac_cv_feature_stream_cloexec_flag="e" + fi + fi]) +AC_DEFINE_UNQUOTED([STREAM_CLOEXEC], "$ac_cv_feature_stream_cloexec_flag", [fopen() modifier for setting close on exec flag]) + +AC_CACHE_CHECK(whether ld accepts --version-script, ac_cv_version_script, + if test -n "`$LD --help < /dev/null 2>/dev/null | grep version-script`"; then + ac_cv_version_script=yes + else + ac_cv_version_script=no + fi) + +AM_CONDITIONAL(HAVE_LD_VERSION_SCRIPT, test "$ac_cv_version_script" = "yes") + +AC_ARG_VAR(rdmadir, [Directory for configuration files]) +if test "x$rdmadir" = "x"; then + AC_SUBST(rdmadir, rdma) +fi + +AC_CONFIG_FILES([Makefile librdmacm.spec]) +AC_OUTPUT Index: contrib/ofed/librdmacm/configure.in =================================================================== --- contrib/ofed/librdmacm/configure.in +++ /dev/null @@ -1,66 +0,0 @@ -dnl Process this file with autoconf to produce a configure script. - -AC_PREREQ(2.57) -AC_INIT(librdmacm, 1.0.11, general@lists.openfabrics.org) -AC_CONFIG_SRCDIR([src/cma.c]) -AC_CONFIG_AUX_DIR(config) -AM_CONFIG_HEADER(config.h) -AM_INIT_AUTOMAKE(librdmacm, 1.0.11) - -AM_PROG_LIBTOOL - -AC_ARG_WITH([valgrind], - AC_HELP_STRING([--with-valgrind], - [Enable valgrind annotations - default NO])) - -if test "$with_valgrind" != "" && test "$with_valgrind" != "no"; then - AC_DEFINE([INCLUDE_VALGRIND], 1, - [Define to 1 to enable valgrind annotations]) - if test -d $with_valgrind; then - CPPFLAGS="$CPPLFAGS -I$with_valgrind/include" - fi -fi - -AC_ARG_ENABLE(libcheck, [ --disable-libcheck do not test for presence of ib libraries], -[ if test "$enableval" = "no"; then - disable_libcheck=yes - fi -]) - -dnl Checks for programs -AC_PROG_CC - -dnl Checks for typedefs, structures, and compiler characteristics. -AC_C_CONST -AC_CHECK_SIZEOF(long) - -dnl Checks for libraries -if test "$disable_libcheck" != "yes"; then -AC_CHECK_LIB(ibverbs, ibv_get_device_list, [], - AC_MSG_ERROR([ibv_get_device_list() not found. librdmacm requires libibverbs.])) -fi - -dnl Checks for header files. -AC_HEADER_STDC -if test "$disable_libcheck" != "yes"; then -AC_CHECK_HEADER(infiniband/verbs.h, [], - AC_MSG_ERROR([ not found. Is libibverbs installed?])) - -if test "$with_valgrind" != "" && test "$with_valgrind" != "no"; then -AC_CHECK_HEADER(valgrind/memcheck.h, [], - AC_MSG_ERROR([valgrind requested but not found.])) -fi - -fi - -AC_CACHE_CHECK(whether ld accepts --version-script, ac_cv_version_script, - if test -n "`$LD --help < /dev/null 2>/dev/null | grep version-script`"; then - ac_cv_version_script=yes - else - ac_cv_version_script=no - fi) - -AM_CONDITIONAL(HAVE_LD_VERSION_SCRIPT, test "$ac_cv_version_script" = "yes") - -AC_CONFIG_FILES([Makefile librdmacm.spec]) -AC_OUTPUT Index: contrib/ofed/librdmacm/examples/build/Makefile.inc =================================================================== --- contrib/ofed/librdmacm/examples/build/Makefile.inc +++ contrib/ofed/librdmacm/examples/build/Makefile.inc @@ -2,6 +2,16 @@ IBDIR=../../../.. +SRCS+= common.c + +LIBADD+= \ + ibverbs \ + rdmacm \ + pthread \ + mlx4 \ + mlx5 \ + cxgb4 + CFLAGS+= \ -I${IBDIR}/include/infiniband \ -I${IBDIR}/include \ Index: contrib/ofed/librdmacm/examples/build/cmatose/Makefile =================================================================== --- contrib/ofed/librdmacm/examples/build/cmatose/Makefile +++ contrib/ofed/librdmacm/examples/build/cmatose/Makefile @@ -5,6 +5,5 @@ PROG= cmatose MAN= SRCS= cmatose.c -LIBADD= ibverbs rdmacm pthread mlx4 .include Index: contrib/ofed/librdmacm/examples/build/mckey/Makefile =================================================================== --- contrib/ofed/librdmacm/examples/build/mckey/Makefile +++ contrib/ofed/librdmacm/examples/build/mckey/Makefile @@ -5,6 +5,5 @@ PROG= mckey MAN= SRCS= mckey.c -LIBADD= ibverbs rdmacm pthread mlx4 .include Index: contrib/ofed/librdmacm/examples/build/rping/Makefile =================================================================== --- contrib/ofed/librdmacm/examples/build/rping/Makefile +++ contrib/ofed/librdmacm/examples/build/rping/Makefile @@ -5,8 +5,5 @@ PROG= rping MAN= SRCS= rping.c -LIBADD+= ibverbs rdmacm pthread -LIBADD+= mlx4 -LIBADD+= cxgb4 .include Index: contrib/ofed/librdmacm/examples/build/udaddy/Makefile =================================================================== --- contrib/ofed/librdmacm/examples/build/udaddy/Makefile +++ contrib/ofed/librdmacm/examples/build/udaddy/Makefile @@ -5,6 +5,5 @@ PROG= udaddy MAN= SRCS= udaddy.c -LIBADD= ibverbs rdmacm pthread mlx4 .include Index: contrib/ofed/librdmacm/examples/cmatose.c =================================================================== --- contrib/ofed/librdmacm/examples/cmatose.c +++ contrib/ofed/librdmacm/examples/cmatose.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2005-2006 Intel Corporation. All rights reserved. + * Copyright (c) 2005-2006,2011-2012 Intel Corporation. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU @@ -44,14 +44,7 @@ #include #include - -#if __BYTE_ORDER == __BIG_ENDIAN -static inline uint64_t cpu_to_be64(uint64_t x) { return x; } -static inline uint32_t cpu_to_be32(uint32_t x) { return x; } -#else -static inline uint64_t cpu_to_be64(uint64_t x) { return bswap_64(x); } -static inline uint32_t cpu_to_be32(uint32_t x) { return bswap_32(x); } -#endif +#include "common.h" struct cmatest_node { int id; @@ -75,19 +68,21 @@ int connects_left; int disconnects_left; - struct rdma_addr addr; + struct rdma_addrinfo *rai; }; static struct cmatest test; static int connections = 1; static int message_size = 100; static int message_count = 10; -static uint16_t port = 7471; +static char *port = "7471"; static uint8_t set_tos = 0; static uint8_t tos; static uint8_t migrate = 0; static char *dst_addr; static char *src_addr; +static struct rdma_addrinfo hints; +static uint8_t set_ts; static int create_message(struct cmatest_node *node) { @@ -118,6 +113,9 @@ { struct ibv_qp_init_attr init_qp_attr; int cqe, ret; + int i; + struct ibv_cq **cqs[] = {&node->cq[SEND_CQ_INDEX], + &node->cq[RECV_CQ_INDEX]}; node->pd = ibv_alloc_pd(node->cma_id->verbs); if (!node->pd) { @@ -127,8 +125,20 @@ } cqe = message_count ? message_count : 1; - node->cq[SEND_CQ_INDEX] = ibv_create_cq(node->cma_id->verbs, cqe, node, 0, 0); - node->cq[RECV_CQ_INDEX] = ibv_create_cq(node->cma_id->verbs, cqe, node, 0, 0); + for (i = 0; i < sizeof(cqs)/sizeof(cqs[0]); i++) { + if (set_ts) { + struct ibv_exp_cq_init_attr cq_init_attr; + memset(&cq_init_attr, 0, sizeof(cq_init_attr)); + cq_init_attr.flags = IBV_EXP_CQ_TIMESTAMP; + cq_init_attr.comp_mask = IBV_EXP_CQ_INIT_ATTR_FLAGS; + *cqs[i] = (struct ibv_cq *)ibv_exp_create_cq( + node->cma_id->verbs, cqe, node, + NULL, 0, &cq_init_attr); + } else { + *cqs[i] = ibv_create_cq(node->cma_id->verbs, cqe, node, + 0, 0); + } + } if (!node->cq[SEND_CQ_INDEX] || !node->cq[RECV_CQ_INDEX]) { ret = -ENOMEM; printf("cmatose: unable to create CQ\n"); @@ -210,15 +220,26 @@ for (i = 0; i < message_count && !ret; i++) { ret = ibv_post_send(node->cma_id->qp, &send_wr, &bad_send_wr); - if (ret) + if (ret) { printf("failed to post sends: %d\n", ret); + } else if (set_ts) { + struct ibv_exp_values queried_values; + queried_values.comp_mask = IBV_EXP_VALUES_HW_CLOCK; + if (!ibv_exp_query_values(node->cma_id->verbs, + IBV_EXP_VALUES_HW_CLOCK, + &queried_values) && + (queried_values.comp_mask & + IBV_EXP_VALUES_HW_CLOCK)) { + printf("Event: Post send was called in %lu\n", + queried_values.hwclock); + } + } } return ret; } static void connect_error(void) { - test.disconnects_left--; test.connects_left--; } @@ -258,6 +279,8 @@ conn_param.responder_resources = 1; conn_param.initiator_depth = 1; conn_param.retry_count = 5; + conn_param.private_data = test.rai->ai_connect; + conn_param.private_data_len = test.rai->ai_connect_len; ret = rdma_connect(node->cma_id, &conn_param); if (ret) { perror("cmatose: failure connecting"); @@ -272,7 +295,6 @@ static int connect_handler(struct rdma_cm_id *cma_id) { struct cmatest_node *node; - struct rdma_conn_param conn_param; int ret; if (test.conn_index == connections) { @@ -292,10 +314,7 @@ if (ret) goto err2; - memset(&conn_param, 0, sizeof conn_param); - conn_param.responder_resources = 1; - conn_param.initiator_depth = 1; - ret = rdma_accept(node->cma_id, &conn_param); + ret = rdma_accept(node->cma_id, NULL); if (ret) { perror("cmatose: failure accepting"); goto err2; @@ -328,6 +347,7 @@ case RDMA_CM_EVENT_ESTABLISHED: ((struct cmatest_node *) cma_id->context)->connected = 1; test.connects_left--; + test.disconnects_left++; break; case RDMA_CM_EVENT_ADDR_ERROR: case RDMA_CM_EVENT_ROUTE_ERROR: @@ -337,6 +357,7 @@ printf("cmatose: event: %s, error: %d\n", rdma_event_str(event->event), event->status); connect_error(); + ret = event->status; break; case RDMA_CM_EVENT_DISCONNECTED: rdma_disconnect(cma_id); @@ -393,7 +414,7 @@ if (dst_addr) { ret = rdma_create_id(test.channel, &test.nodes[i].cma_id, - &test.nodes[i], RDMA_PS_TCP); + &test.nodes[i], hints.ai_port_space); if (ret) goto err; } @@ -415,21 +436,64 @@ free(test.nodes); } +#define GET_WC(ptr, index) ((struct ibv_wc *)((void *)ptr + index * \ + (set_ts ? sizeof(struct ibv_exp_wc) : \ + sizeof(struct ibv_wc)))) + static int poll_cqs(enum CQ_INDEX index) { struct ibv_wc wc[8]; - int done, i, ret; + struct ibv_exp_wc exp_wc[8]; + int done, i, ret, j; + struct ibv_wc *p_wc; for (i = 0; i < connections; i++) { if (!test.nodes[i].connected) continue; for (done = 0; done < message_count; done += ret) { - ret = ibv_poll_cq(test.nodes[i].cq[index], 8, wc); + if (set_ts) { + ret = ibv_exp_poll_cq(test.nodes[i].cq[index], 8, + exp_wc, sizeof(exp_wc[0])); + p_wc = (struct ibv_wc *)exp_wc; + } else { + ret = ibv_poll_cq(test.nodes[i].cq[index], 8, + wc); + p_wc = (struct ibv_wc *)wc; + } if (ret < 0) { printf("cmatose: failed polling CQ: %d\n", ret); return ret; } + for (j = 0; j < ret; ++j) { + if (GET_WC(p_wc, j)->status != IBV_WC_SUCCESS) { + printf("wc[%d]: bad status %d\n", + j, GET_WC(p_wc, j)->status); + return -1; + } + } + if (set_ts && ret > 0) { + struct ibv_exp_values queried_values; + queried_values.comp_mask = IBV_EXP_VALUES_HW_CLOCK; + if (ibv_exp_query_values(test.nodes[i].cq[index] + ->context, + IBV_EXP_VALUES_HW_CLOCK, + &queried_values) && + (queried_values.comp_mask & + IBV_EXP_VALUES_HW_CLOCK)) { + printf("Error in querying hw clock\n"); + queried_values.hwclock = 0; + } + for (j = 0; j < ret; j++) + printf("connection %d, batch %d, " + "packet %d/%d %s, " + "queried: %lu, timestamp: %lu\n", + i, done, j + 1, ret, + p_wc->opcode == IBV_WC_SEND ? + "tx" : "rx", + queried_values.hwclock, + exp_wc[j].timestamp); + } } } return 0; @@ -438,12 +502,12 @@ static int connect_events(void) { struct rdma_cm_event *event; - int err = 0, ret = 0; + int ret = 0; - while (test.connects_left && !err) { - err = rdma_get_cm_event(test.channel, &event); - if (!err) { - cma_handler(event->id, event); + while (test.connects_left && !ret) { + ret = rdma_get_cm_event(test.channel, &event); + if (!ret) { + ret = cma_handler(event->id, event); rdma_ack_cm_event(event); } else { perror("cmatose: failure in rdma_get_cm_event in connect events"); @@ -457,12 +521,12 @@ static int disconnect_events(void) { struct rdma_cm_event *event; - int err = 0, ret = 0; + int ret = 0; - while (test.disconnects_left && !err) { - err = rdma_get_cm_event(test.channel, &event); - if (!err) { - cma_handler(event->id, event); + while (test.disconnects_left && !ret) { + ret = rdma_get_cm_event(test.channel, &event); + if (!ret) { + ret = cma_handler(event->id, event); rdma_ack_cm_event(event); } else { perror("cmatose: failure in rdma_get_cm_event in disconnect events"); @@ -502,56 +566,25 @@ return ret; } -static int get_addr(char *dst, struct sockaddr *addr) -{ - struct addrinfo *res; - int ret; - - ret = getaddrinfo(dst, NULL, NULL, &res); - if (ret) { - printf("getaddrinfo failed - invalid hostname or IP address\n"); - return ret; - } - - if (res->ai_family == PF_INET) - memcpy(addr, res->ai_addr, sizeof(struct sockaddr_in)); - else if (res->ai_family == PF_INET6) - memcpy(addr, res->ai_addr, sizeof(struct sockaddr_in6)); - else - ret = -1; - - freeaddrinfo(res); - return ret; -} - static int run_server(void) { struct rdma_cm_id *listen_id; int i, ret; printf("cmatose: starting server\n"); - ret = rdma_create_id(test.channel, &listen_id, &test, RDMA_PS_TCP); + ret = rdma_create_id(test.channel, &listen_id, &test, hints.ai_port_space); if (ret) { perror("cmatose: listen request failed"); return ret; } - if (src_addr) { - ret = get_addr(src_addr, &test.addr.src_addr); - if (ret) - goto out; - if (test.addr.src_addr.sa_family == AF_INET) - ((struct sockaddr_in *) &test.addr.src_addr)->sin_port = port; - else - ((struct sockaddr_in6 *) &test.addr.src_addr)->sin6_port = port; - - } else { - test.addr.src_addr.sa_family = PF_INET; - ((struct sockaddr_in *) &test.addr.src_addr)->sin_port = port; + ret = get_rdma_addr(src_addr, dst_addr, port, &hints, &test.rai); + if (ret) { + perror("cmatose: getrdmaaddr error"); + goto out; } - ret = rdma_bind_addr(listen_id, &test.addr.src_addr); - + ret = rdma_bind_addr(listen_id, test.rai->ai_src_addr); if (ret) { perror("cmatose: bind address failed"); goto out; @@ -617,26 +650,17 @@ int i, ret, ret2; printf("cmatose: starting client\n"); - if (src_addr) { - ret = get_addr(src_addr, &test.addr.src_addr); - if (ret) - return ret; - } - ret = get_addr(dst_addr, &test.addr.dst_addr); - if (ret) + ret = get_rdma_addr(src_addr, dst_addr, port, &hints, &test.rai); + if (ret) { + perror("cmatose: getaddrinfo error"); return ret; - - if (test.addr.dst_addr.sa_family == AF_INET) - ((struct sockaddr_in *) &test.addr.dst_addr)->sin_port = port; - else - ((struct sockaddr_in6 *) &test.addr.dst_addr)->sin6_port = port; + } printf("cmatose: connecting\n"); for (i = 0; i < connections; i++) { - ret = rdma_resolve_addr(test.nodes[i].cma_id, - src_addr ? &test.addr.src_addr : NULL, - &test.addr.dst_addr, 2000); + ret = rdma_resolve_addr(test.nodes[i].cma_id, test.rai->ai_src_addr, + test.rai->ai_dst_addr, 2000); if (ret) { perror("cmatose: failure getting addr"); connect_error(); @@ -683,7 +707,8 @@ { int op, ret; - while ((op = getopt(argc, argv, "s:b:c:C:S:t:p:m")) != -1) { + hints.ai_port_space = RDMA_PS_TCP; + while ((op = getopt(argc, argv, "s:b:f:P:c:C:S:t:p:mT")) != -1) { switch (op) { case 's': dst_addr = optarg; @@ -691,6 +716,23 @@ case 'b': src_addr = optarg; break; + case 'f': + if (!strncasecmp("ip", optarg, 2)) { + hints.ai_flags = RAI_NUMERICHOST; + } else if (!strncasecmp("gid", optarg, 3)) { + hints.ai_flags = RAI_NUMERICHOST | RAI_FAMILY; + hints.ai_family = AF_IB; + } else if (strncasecmp("name", optarg, 4)) { + fprintf(stderr, "Warning: unknown address format\n"); + } + break; + case 'P': + if (!strncasecmp("ib", optarg, 2)) { + hints.ai_port_space = RDMA_PS_IB; + } else if (strncasecmp("tcp", optarg, 3)) { + fprintf(stderr, "Warning: unknown port space format\n"); + } + break; case 'c': connections = atoi(optarg); break; @@ -702,30 +744,37 @@ break; case 't': set_tos = 1; - tos = (uint8_t) atoi(optarg); + tos = (uint8_t) strtoul(optarg, NULL, 0); break; case 'p': - port = atoi(optarg); + port = optarg; break; case 'm': migrate = 1; break; + case 'T': + set_ts = 1; + break; default: printf("usage: %s\n", argv[0]); printf("\t[-s server_address]\n"); printf("\t[-b bind_address]\n"); + printf("\t[-f address_format]\n"); + printf("\t name, ip, ipv6, or gid\n"); + printf("\t[-P port_space]\n"); + printf("\t tcp or ib\n"); printf("\t[-c connections]\n"); printf("\t[-C message_count]\n"); printf("\t[-S message_size]\n"); printf("\t[-t type_of_service]\n"); printf("\t[-p port_number]\n"); printf("\t[-m(igrate)]\n"); + printf("\t[-T(imestamping)]\n"); exit(1); } } test.connects_left = connections; - test.disconnects_left = connections; test.channel = rdma_create_event_channel(); if (!test.channel) { @@ -736,14 +785,18 @@ if (alloc_nodes()) exit(1); - if (dst_addr) + if (dst_addr) { ret = run_client(); - else + } else { + hints.ai_flags |= RAI_PASSIVE; ret = run_server(); + } printf("test complete\n"); destroy_nodes(); rdma_destroy_event_channel(test.channel); + if (test.rai) + rdma_freeaddrinfo(test.rai); printf("return status %d\n", ret); return ret; Index: contrib/ofed/librdmacm/examples/common.h =================================================================== --- /dev/null +++ contrib/ofed/librdmacm/examples/common.h @@ -0,0 +1,91 @@ +/* + * Copyright (c) 2005-2012 Intel Corporation. All rights reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * OpenIB.org BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * $Id$ + */ + +#include +#include +#include +#include + +#include +#include + +#if __BYTE_ORDER == __BIG_ENDIAN +static inline uint64_t cpu_to_be64(uint64_t x) { return x; } +static inline uint32_t cpu_to_be32(uint32_t x) { return x; } +#else +static inline uint64_t cpu_to_be64(uint64_t x) { return bswap_64(x); } +static inline uint32_t cpu_to_be32(uint32_t x) { return bswap_32(x); } +#endif + +#define rs_socket(f,t,p) socket(f,t,p) +#define rs_bind(s,a,l) bind(s,a,l) +#define rs_listen(s,b) listen(s,b) +#define rs_connect(s,a,l) connect(s,a,l) +#define rs_accept(s,a,l) accept(s,a,l) +#define rs_shutdown(s,h) shutdown(s,h) +#define rs_close(s) close(s) +#define rs_recv(s,b,l,f) recv(s,b,l,f) +#define rs_send(s,b,l,f) send(s,b,l,f) +#define rs_recvfrom(s,b,l,f,a,al) \ + recvfrom(s,b,l,f,a,al) +#define rs_sendto(s,b,l,f,a,al) \ + sendto(s,b,l,f,a,al) +#define rs_poll(f,n,t) poll(f,n,t) +#define rs_fcntl(s,c,p) fcntl(s,c,p) +#define rs_setsockopt(s,l,n,v,ol) \ + setsockopt(s,l,n,v,ol) +#define rs_getsockopt(s,l,n,v,ol) \ + getsockopt(s,l,n,v,ol) + +union socket_addr { + struct sockaddr sa; + struct sockaddr_in sin; + struct sockaddr_in6 sin6; +}; + +enum rs_optimization { + opt_mixed, + opt_latency, + opt_bandwidth +}; + +int get_rdma_addr(char *src, char *dst, char *port, + struct rdma_addrinfo *hints, struct rdma_addrinfo **rai); + +void size_str(char *str, size_t ssize, long long size); +void cnt_str(char *str, size_t ssize, long long cnt); +int size_to_count(int size); +void format_buf(void *buf, int size); +int verify_buf(void *buf, int size); +int do_poll(struct pollfd *fds, int timeout); Index: contrib/ofed/librdmacm/examples/common.c =================================================================== --- /dev/null +++ contrib/ofed/librdmacm/examples/common.c @@ -0,0 +1,163 @@ +/* + * Copyright (c) 2005-2006,2012 Intel Corporation. All rights reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * OpenIB.org BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * $Id$ + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include "common.h" + +int get_rdma_addr(char *src, char *dst, char *port, + struct rdma_addrinfo *hints, struct rdma_addrinfo **rai) +{ + struct rdma_addrinfo rai_hints, *res; + int ret; + + if (hints->ai_flags & RAI_PASSIVE) + return rdma_getaddrinfo(src, port, hints, rai); + + rai_hints = *hints; + if (src) { + rai_hints.ai_flags |= RAI_PASSIVE; + ret = rdma_getaddrinfo(src, NULL, &rai_hints, &res); + if (ret) + return ret; + + rai_hints.ai_src_addr = res->ai_src_addr; + rai_hints.ai_src_len = res->ai_src_len; + rai_hints.ai_flags &= ~RAI_PASSIVE; + } + + ret = rdma_getaddrinfo(dst, port, &rai_hints, rai); + if (src) + rdma_freeaddrinfo(res); + + return ret; +} + +void size_str(char *str, size_t ssize, long long size) +{ + long long base, fraction = 0; + char mag; + + if (size >= (1 << 30)) { + base = 1 << 30; + mag = 'g'; + } else if (size >= (1 << 20)) { + base = 1 << 20; + mag = 'm'; + } else if (size >= (1 << 10)) { + base = 1 << 10; + mag = 'k'; + } else { + base = 1; + mag = '\0'; + } + + if (size / base < 10) + fraction = (size % base) * 10 / base; + if (fraction) { + snprintf(str, ssize, "%lld.%lld%c", size / base, fraction, mag); + } else { + snprintf(str, ssize, "%lld%c", size / base, mag); + } +} + +void cnt_str(char *str, size_t ssize, long long cnt) +{ + if (cnt >= 1000000000) + snprintf(str, ssize, "%lldb", cnt / 1000000000); + else if (cnt >= 1000000) + snprintf(str, ssize, "%lldm", cnt / 1000000); + else if (cnt >= 1000) + snprintf(str, ssize, "%lldk", cnt / 1000); + else + snprintf(str, ssize, "%lld", cnt); +} + +int size_to_count(int size) +{ + if (size >= (1 << 20)) + return 100; + else if (size >= (1 << 16)) + return 1000; + else if (size >= (1 << 10)) + return 10000; + else + return 100000; +} + +void format_buf(void *buf, int size) +{ + uint8_t *array = buf; + static uint8_t data; + int i; + + for (i = 0; i < size; i++) + array[i] = data++; +} + +int verify_buf(void *buf, int size) +{ + static long long total_bytes; + uint8_t *array = buf; + static uint8_t data; + int i; + + for (i = 0; i < size; i++, total_bytes++) { + if (array[i] != data++) { + printf("data verification failed byte %lld\n", total_bytes); + return -1; + } + } + return 0; +} + +int do_poll(struct pollfd *fds, int timeout) +{ + int ret; + + do { + ret = rs_poll(fds, 1, timeout); + } while (!ret); + + return ret == 1 ? (fds->revents & (POLLERR | POLLHUP)) : ret; +} Index: contrib/ofed/librdmacm/examples/mckey.c =================================================================== --- contrib/ofed/librdmacm/examples/mckey.c +++ contrib/ofed/librdmacm/examples/mckey.c @@ -46,6 +46,7 @@ #include #include +#include struct cmatest_node { int id; @@ -67,9 +68,9 @@ int conn_index; int connects_left; - struct sockaddr_in6 dst_in; + struct sockaddr_storage dst_in; struct sockaddr *dst_addr; - struct sockaddr_in6 src_in; + struct sockaddr_storage src_in; struct sockaddr *src_addr; }; @@ -154,7 +155,7 @@ init_qp_attr.cap.max_send_sge = 1; init_qp_attr.cap.max_recv_sge = 1; init_qp_attr.qp_context = node; - init_qp_attr.sq_sig_all = 0; + init_qp_attr.sq_sig_all = 1; init_qp_attr.qp_type = IBV_QPT_UD; init_qp_attr.send_cq = node->cq; init_qp_attr.recv_cq = node->cq; @@ -460,6 +461,20 @@ return ret; } +static int get_dst_addr(char *dst, struct sockaddr *addr) +{ + struct sockaddr_ib *sib; + + if (!unmapped_addr) + return get_addr(dst, addr); + + sib = (struct sockaddr_ib *) addr; + memset(sib, 0, sizeof *sib); + sib->sib_family = AF_IB; + inet_pton(AF_INET6, dst, &sib->sib_addr); + return 0; +} + static int run(void) { int i, ret; @@ -471,7 +486,7 @@ return ret; } - ret = get_addr(dst_addr, (struct sockaddr *) &test.dst_in); + ret = get_dst_addr(dst_addr, (struct sockaddr *) &test.dst_in); if (ret) return ret; @@ -520,6 +535,9 @@ if (ret) goto out; } + ret = poll_cqs(); + if (ret) + goto out; } else { printf("receiving data transfers\n"); ret = poll_cqs(); Index: contrib/ofed/librdmacm/examples/rping.c =================================================================== --- contrib/ofed/librdmacm/examples/rping.c +++ contrib/ofed/librdmacm/examples/rping.c @@ -40,10 +40,12 @@ #include #include #include +#include #include #include #include #include +#include #include #include @@ -71,6 +73,9 @@ * Once CONNECTED, they cycle through RDMA_READ_ADV, RDMA_WRITE_ADV, * and RDMA_WRITE_COMPLETE for each ping. */ + +static uint8_t type_mw; + enum test_state { IDLE = 1, CONNECT_REQUEST, @@ -81,6 +86,7 @@ RDMA_READ_COMPLETE, RDMA_WRITE_ADV, RDMA_WRITE_COMPLETE, + DISCONNECTED, ERROR }; @@ -90,6 +96,8 @@ uint32_t size; }; +#define RPING_BIND_WRID 1 + /* * Default max buffer size for IO... */ @@ -103,7 +111,7 @@ #define stringify( _x ) _stringify( _x ) #define RPING_MSG_FMT "rdma-ping-%d: " -#define RPING_MIN_BUFSIZE sizeof(stringify(INT_MAX)) + sizeof(RPING_MSG_FMT) +#define RPING_MIN_BUFSIZE (sizeof(stringify(INT_MAX)) + sizeof(RPING_MSG_FMT)) /* * Control block struct. @@ -131,6 +139,7 @@ struct ibv_sge rdma_sgl; /* rdma single SGE */ char *rdma_buf; /* used as rdma sink */ struct ibv_mr *rdma_mr; + struct ibv_mw *rdma_mw; uint32_t remote_rkey; /* remote guys RKEY */ uint64_t remote_addr; /* remote guys TO */ @@ -138,6 +147,7 @@ char *start_buf; /* rdma read src */ struct ibv_mr *start_mr; + struct ibv_mw *start_mw; enum test_state state; /* used for cond/signalling */ sem_t sem; @@ -148,6 +158,7 @@ int count; /* ping count */ int size; /* ping data size */ int validate; /* validate ping data */ + int check_mw; /* whether to use MW or not */ /* CM stuff */ pthread_t cmthread; @@ -216,6 +227,7 @@ case RDMA_CM_EVENT_DISCONNECTED: fprintf(stderr, "%s DISCONNECT EVENT...\n", cb->server ? "server" : "client"); + cb->state = DISCONNECTED; sem_post(&cb->sem); break; @@ -233,7 +245,7 @@ return ret; } -static int server_recv(struct rping_cb *cb, struct ibv_wc *wc) +static int server_recv(struct rping_cb *cb, struct ibv_exp_wc *wc) { if (wc->byte_len != sizeof(cb->recv_buf)) { fprintf(stderr, "Received bogus data, size %d\n", wc->byte_len); @@ -254,7 +266,7 @@ return 0; } -static int client_recv(struct rping_cb *cb, struct ibv_wc *wc) +static int client_recv(struct rping_cb *cb, struct ibv_exp_wc *wc) { if (wc->byte_len != sizeof(cb->recv_buf)) { fprintf(stderr, "Received bogus data, size %d\n", wc->byte_len); @@ -271,39 +283,45 @@ static int rping_cq_event_handler(struct rping_cb *cb) { - struct ibv_wc wc; + struct ibv_exp_wc wc; struct ibv_recv_wr *bad_wr; int ret; + int flushed = 0; - while ((ret = ibv_poll_cq(cb->cq, 1, &wc)) == 1) { + while ((ret = ibv_exp_poll_cq(cb->cq, 1, &wc, sizeof(wc))) == 1) { ret = 0; if (wc.status) { - if (wc.status != IBV_WC_WR_FLUSH_ERR) - fprintf(stderr, "cq completion failed status %d\n", - wc.status); + if (wc.status == IBV_WC_WR_FLUSH_ERR) { + flushed = 1; + continue; + + } + fprintf(stderr, + "cq completion failed status %d\n", + wc.status); ret = -1; goto error; } - switch (wc.opcode) { - case IBV_WC_SEND: + switch (wc.exp_opcode) { + case IBV_EXP_WC_SEND: DEBUG_LOG("send completion\n"); break; - case IBV_WC_RDMA_WRITE: + case IBV_EXP_WC_RDMA_WRITE: DEBUG_LOG("rdma write completion\n"); cb->state = RDMA_WRITE_COMPLETE; sem_post(&cb->sem); break; - case IBV_WC_RDMA_READ: + case IBV_EXP_WC_RDMA_READ: DEBUG_LOG("rdma read completion\n"); cb->state = RDMA_READ_COMPLETE; sem_post(&cb->sem); break; - case IBV_WC_RECV: + case IBV_EXP_WC_RECV: DEBUG_LOG("recv completion\n"); ret = cb->server ? server_recv(cb, &wc) : client_recv(cb, &wc); @@ -320,6 +338,13 @@ sem_post(&cb->sem); break; + case IBV_EXP_WC_BIND_MW: + DEBUG_LOG("bind completion\n"); + break; + case IBV_EXP_WC_LOCAL_INV: + DEBUG_LOG("local inv completion\n"); + break; + default: DEBUG_LOG("unknown!!!!! completion\n"); ret = -1; @@ -330,7 +355,7 @@ fprintf(stderr, "poll error %d\n", ret); goto error; } - return 0; + return flushed; error: cb->state = ERROR; @@ -340,16 +365,11 @@ static int rping_accept(struct rping_cb *cb) { - struct rdma_conn_param conn_param; int ret; DEBUG_LOG("accepting client connection request\n"); - memset(&conn_param, 0, sizeof conn_param); - conn_param.responder_resources = 1; - conn_param.initiator_depth = 1; - - ret = rdma_accept(cb->child_cm_id, &conn_param); + ret = rdma_accept(cb->child_cm_id, NULL); if (ret) { perror("rdma_accept"); return ret; @@ -414,32 +434,56 @@ goto err2; } - cb->rdma_mr = ibv_reg_mr(cb->pd, cb->rdma_buf, cb->size, - IBV_ACCESS_LOCAL_WRITE | - IBV_ACCESS_REMOTE_READ | - IBV_ACCESS_REMOTE_WRITE); + int access = IBV_ACCESS_LOCAL_WRITE | + IBV_ACCESS_REMOTE_READ | + IBV_ACCESS_REMOTE_WRITE; + + if (cb->check_mw) + access |= IBV_ACCESS_MW_BIND; + + cb->rdma_mr = ibv_reg_mr(cb->pd, cb->rdma_buf, cb->size, access); if (!cb->rdma_mr) { fprintf(stderr, "rdma_buf reg_mr failed\n"); ret = errno; goto err3; } + cb->rdma_mw = NULL; + if (cb->check_mw) { + cb->rdma_mw = ibv_alloc_mw(cb->pd, type_mw); + if (!cb->rdma_mw) { + fprintf(stderr, "rdma_buf alloc_mw failed\n"); + ret = -ENOMEM; + goto err4; + } + DEBUG_LOG("rdma_mw rkey initial: %x\n", cb->rdma_mw->rkey); + } + if (!cb->server) { cb->start_buf = malloc(cb->size); if (!cb->start_buf) { fprintf(stderr, "start_buf malloc failed\n"); ret = -ENOMEM; - goto err4; + goto err5; } - cb->start_mr = ibv_reg_mr(cb->pd, cb->start_buf, cb->size, - IBV_ACCESS_LOCAL_WRITE | - IBV_ACCESS_REMOTE_READ | - IBV_ACCESS_REMOTE_WRITE); + cb->start_mr = ibv_reg_mr(cb->pd, cb->start_buf, + cb->size, access); if (!cb->start_mr) { fprintf(stderr, "start_buf reg_mr failed\n"); ret = errno; - goto err5; + goto err6; + } + cb->start_mw = NULL; + if (cb->check_mw) { + cb->start_mw = ibv_alloc_mw(cb->pd, type_mw); + if (!cb->start_mw) { + fprintf(stderr, "start_buf alloc_mw failed\n"); + ret = -ENOMEM; + goto err7; + } + DEBUG_LOG("start_mw rkey initial: %x\n", + cb->start_mw->rkey); } } @@ -447,8 +491,13 @@ DEBUG_LOG("allocated & registered buffers...\n"); return 0; -err5: +err7: + ibv_dereg_mr(cb->start_mr); +err6: free(cb->start_buf); +err5: + if (cb->rdma_mw) + ibv_dealloc_mw(cb->rdma_mw); err4: ibv_dereg_mr(cb->rdma_mr); err3: @@ -462,17 +511,44 @@ static void rping_free_buffers(struct rping_cb *cb) { + int ret; + DEBUG_LOG("rping_free_buffers called on cb %p\n", cb); ibv_dereg_mr(cb->recv_mr); ibv_dereg_mr(cb->send_mr); - ibv_dereg_mr(cb->rdma_mr); + if (cb->check_mw) { + if (ibv_dealloc_mw(cb->rdma_mw)) + fprintf(stderr, "failed to dealloc rdma_mw\n"); + if (ibv_dealloc_mw(cb->start_mw)) + fprintf(stderr, "failed to dealloc start_mw\n"); + } + ret = ibv_dereg_mr(cb->rdma_mr); + if (ret) + fprintf(stderr, "failed to dereg rdma_mr\n"); free(cb->rdma_buf); if (!cb->server) { - ibv_dereg_mr(cb->start_mr); + ret = ibv_dereg_mr(cb->start_mr); + if (ret) + fprintf(stderr, "failed to dereg start_mr\n"); free(cb->start_buf); } } +static int rping_verify_mw_cap(struct rdma_cm_id *cm_id) +{ + struct ibv_exp_device_attr device_attr = {}; + int and; + + device_attr.comp_mask = IBV_EXP_DEVICE_ATTR_EXP_CAP_FLAGS; + ibv_exp_query_device(cm_id->verbs, &device_attr); + and = !!(device_attr.exp_device_cap_flags & IBV_EXP_DEVICE_MEM_WINDOW); + if (!and) { + fprintf(stderr, "Device do not support memory window\n"); + return 1; + } + return 0; +} + static int rping_create_qp(struct rping_cb *cb) { struct ibv_qp_init_attr init_attr; @@ -612,12 +688,87 @@ } } -static void rping_format_send(struct rping_cb *cb, char *buf, struct ibv_mr *mr) + +static int rping_invalidate_mw(struct ibv_mw *mw, struct ibv_qp *qp) +{ + /* =========== invalidating last mw =========== */ + struct ibv_exp_send_wr inv_wr = { 0 }; + struct ibv_exp_send_wr *bad_inv_wr = NULL; + + inv_wr.exp_opcode = IBV_EXP_WR_LOCAL_INV; + inv_wr.next = NULL; + inv_wr.exp_send_flags = IBV_EXP_SEND_SIGNALED; + inv_wr.ex.invalidate_rkey = mw->rkey; + + /* posting the message */ + return ibv_exp_post_send(qp, &inv_wr, &bad_inv_wr); +} + + +static int rping_bind_mw(struct ibv_qp *qp, struct ibv_mw *mw, + struct ibv_mr *mr, char *buf, int size, + uint32_t new_rkey) +{ + int ret = 0; + if (type_mw == IBV_MW_TYPE_2) { + struct ibv_exp_send_wr bind_wr = { 0 }; + struct ibv_exp_send_wr *bad_bind_wr = NULL; + + bind_wr.exp_opcode = IBV_EXP_WR_BIND_MW; + bind_wr.next = NULL; + bind_wr.exp_send_flags = IBV_EXP_SEND_SIGNALED; + + bind_wr.bind_mw.mw = mw; + bind_wr.bind_mw.rkey = new_rkey; + bind_wr.bind_mw.bind_info.addr = (uint64_t) buf; + bind_wr.bind_mw.bind_info.length = size; + bind_wr.bind_mw.bind_info.mr = mr; + bind_wr.bind_mw.bind_info.exp_mw_access_flags = + IBV_EXP_ACCESS_REMOTE_READ | IBV_EXP_ACCESS_REMOTE_WRITE | + IBV_EXP_ACCESS_REMOTE_ATOMIC; + /* posting the message */ + ret = ibv_exp_post_send(qp, &bind_wr, &bad_bind_wr); + /* updating the newly assigned rkey */ + mw->rkey = bind_wr.bind_mw.rkey; + } else { + struct ibv_exp_mw_bind_info bind_info; + struct ibv_exp_mw_bind mw_bind; + + bind_info.mr = mr; + bind_info.addr = (uint64_t) buf; + bind_info.length = size; + bind_info.exp_mw_access_flags = IBV_EXP_ACCESS_REMOTE_READ | + IBV_EXP_ACCESS_REMOTE_WRITE | + IBV_EXP_ACCESS_REMOTE_ATOMIC; + + mw_bind.wr_id = RPING_BIND_WRID; + mw_bind.exp_send_flags = IBV_EXP_SEND_SIGNALED; + mw_bind.bind_info = bind_info; + mw_bind.qp = qp; + mw_bind.mw = mw; + mw_bind.comp_mask = 0; + + ret = ibv_exp_bind_mw(&mw_bind); + } + + return ret; +} + +static void rping_rebind_mw(struct ibv_qp *qp, struct ibv_mw *mw, + struct ibv_mr *mr, char *buf, int size) +{ + if (type_mw == IBV_MW_TYPE_2) + rping_invalidate_mw(mw, qp); + rping_bind_mw(qp, mw, mr, buf, size, ibv_inc_rkey(mw->rkey)); +} + + +static void rping_format_send(struct rping_cb *cb, char *buf, uint32_t rkey) { struct rping_rdma_info *info = &cb->send_buf; info->buf = htonll((uint64_t) (unsigned long) buf); - info->rkey = htonl(mr->rkey); + info->rkey = htonl(rkey); info->size = htonl(cb->size); DEBUG_LOG("RDMA addr %" PRIx64" rkey %x len %d\n", @@ -721,7 +872,7 @@ DEBUG_LOG("server posted go ahead\n"); } - return ret; + return (cb->state == DISCONNECTED) ? 0 : ret; } static int rping_bind_server(struct rping_cb *cb) @@ -789,7 +940,11 @@ goto err2; } - pthread_create(&cb->cqthread, NULL, cq_thread, cb); + ret = pthread_create(&cb->cqthread, NULL, cq_thread, cb); + if (ret) { + perror("pthread_create"); + goto err2; + } ret = rping_accept(cb); if (ret) { @@ -821,11 +976,27 @@ { int ret; struct rping_cb *cb; + pthread_attr_t attr; ret = rping_bind_server(listening_cb); if (ret) return ret; + /* + * Set persistent server threads to DEATCHED state so + * they release all their resources when they exit. + */ + ret = pthread_attr_init(&attr); + if (ret) { + perror("pthread_attr_init"); + return ret; + } + ret = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); + if (ret) { + perror("pthread_attr_setdetachstate"); + return ret; + } + while (1) { sem_wait(&listening_cb->sem); if (listening_cb->state != CONNECT_REQUEST) { @@ -837,7 +1008,12 @@ cb = clone_cb(listening_cb); if (!cb) return -1; - pthread_create(&cb->persistent_server_thread, NULL, rping_persistent_server_thread, cb); + + ret = pthread_create(&cb->persistent_server_thread, &attr, rping_persistent_server_thread, cb); + if (ret) { + perror("pthread_create"); + return ret; + } } return 0; } @@ -876,7 +1052,11 @@ goto err2; } - pthread_create(&cb->cqthread, NULL, cq_thread, cb); + ret = pthread_create(&cb->cqthread, NULL, cq_thread, cb); + if (ret) { + perror("pthread_create"); + goto err2; + } ret = rping_accept(cb); if (ret) { @@ -884,7 +1064,14 @@ goto err2; } - rping_test_server(cb); + ret = rping_test_server(cb); + if (ret && ret != -1) { + fprintf(stderr, "rping server failed: %d\n", ret); + goto err3; + } + + ret = 0; +err3: rdma_disconnect(cb->child_cm_id); pthread_join(cb->cqthread, NULL); rdma_destroy_id(cb->child_cm_id); @@ -903,11 +1090,22 @@ unsigned char c; start = 65; + + if (cb->check_mw) { + rping_bind_mw(cb->qp, cb->start_mw, cb->start_mr, cb->start_buf, + cb->size, ibv_inc_rkey(cb->start_mw->rkey)); + rping_bind_mw(cb->qp, cb->rdma_mw, cb->rdma_mr, cb->rdma_buf, + cb->size, ibv_inc_rkey(cb->rdma_mw->rkey)); + DEBUG_LOG("Binding\n"); + DEBUG_LOG("start_mw rkey: %x\n", cb->start_mw->rkey); + DEBUG_LOG("rdma_mw rkey: %x\n", cb->rdma_mw->rkey); + } + for (ping = 0; !cb->count || ping < cb->count; ping++) { cb->state = RDMA_READ_ADV; /* Put some ascii text in the buffer. */ - cc = sprintf(cb->start_buf, RPING_MSG_FMT, ping); + cc = snprintf(cb->start_buf, cb->size, RPING_MSG_FMT, ping); for (i = cc, c = start; i < cb->size; i++) { cb->start_buf[i] = c; c++; @@ -919,7 +1117,13 @@ start = 65; cb->start_buf[cb->size - 1] = 0; - rping_format_send(cb, cb->start_buf, cb->start_mr); + if (cb->check_mw) + rping_format_send(cb, cb->start_buf, + cb->start_mw->rkey); + else + rping_format_send(cb, cb->start_buf, + cb->start_mr->rkey); + ret = ibv_post_send(cb->qp, &cb->sq_wr, &bad_wr); if (ret) { fprintf(stderr, "post send error %d\n", ret); @@ -935,7 +1139,10 @@ break; } - rping_format_send(cb, cb->rdma_buf, cb->rdma_mr); + if (cb->check_mw) + rping_format_send(cb, cb->rdma_buf, cb->rdma_mw->rkey); + else + rping_format_send(cb, cb->rdma_buf, cb->rdma_mr->rkey); ret = ibv_post_send(cb->qp, &cb->sq_wr, &bad_wr); if (ret) { fprintf(stderr, "post send error %d\n", ret); @@ -951,6 +1158,16 @@ break; } + if (cb->check_mw) { + rping_rebind_mw(cb->qp, cb->start_mw, cb->start_mr, + cb->start_buf, cb->size); + rping_rebind_mw(cb->qp, cb->rdma_mw, cb->rdma_mr, + cb->rdma_buf, cb->size); + DEBUG_LOG("Rebinding\n"); + DEBUG_LOG("start_mw rkey: %x\n", cb->start_mw->rkey); + DEBUG_LOG("rdma_mw rkey: %x\n", cb->rdma_mw->rkey); + } + if (cb->validate) if (memcmp(cb->start_buf, cb->rdma_buf, cb->size)) { fprintf(stderr, "data mismatch!\n"); @@ -962,7 +1179,7 @@ printf("ping data: %s\n", cb->rdma_buf); } - return ret; + return (cb->state == DISCONNECTED) ? 0 : ret; } static int rping_connect_client(struct rping_cb *cb) @@ -973,7 +1190,7 @@ memset(&conn_param, 0, sizeof conn_param); conn_param.responder_resources = 1; conn_param.initiator_depth = 1; - conn_param.retry_count = 10; + conn_param.retry_count = 7; ret = rdma_connect(cb->cm_id, &conn_param); if (ret) { @@ -1026,6 +1243,14 @@ if (ret) return ret; + if (cb->check_mw) { + ret = rping_verify_mw_cap(cb->cm_id); + if (ret) { + fprintf(stderr, "device doesn't support MW\n"); + return ret; + } + } + ret = rping_setup_qp(cb, cb->cm_id); if (ret) { fprintf(stderr, "setup_qp failed: %d\n", ret); @@ -1044,7 +1269,11 @@ goto err2; } - pthread_create(&cb->cqthread, NULL, cq_thread, cb); + ret = pthread_create(&cb->cqthread, NULL, cq_thread, cb); + if (ret) { + perror("pthread_create"); + goto err2; + } ret = rping_connect_client(cb); if (ret) { @@ -1057,6 +1286,7 @@ fprintf(stderr, "rping client failed: %d\n", ret); goto err4; } + ret = 0; err4: rdma_disconnect(cb->cm_id); @@ -1095,9 +1325,9 @@ static void usage(char *name) { printf("%s -s [-vVd] [-S size] [-C count] [-a addr] [-p port]\n", - name); + basename(name)); printf("%s -c [-vVd] [-S size] [-C count] -a addr [-p port]\n", - name); + basename(name)); printf("\t-c\t\tclient side\n"); printf("\t-s\t\tserver side. To bind to any address with IPv6 use -a ::0\n"); printf("\t-v\t\tdisplay ping data to stdout\n"); @@ -1108,6 +1338,7 @@ printf("\t-a addr\t\taddress\n"); printf("\t-p port\t\tport\n"); printf("\t-P\t\tpersistent server mode allowing multiple connections\n"); + printf("\t-w type (1/2)\tuse memory window\n"); } int main(int argc, char *argv[]) @@ -1123,6 +1354,7 @@ memset(cb, 0, sizeof(*cb)); cb->server = -1; + cb->check_mw = 0; cb->state = IDLE; cb->size = 64; cb->sin.ss_family = PF_INET; @@ -1130,7 +1362,7 @@ sem_init(&cb->sem, 0, 0); opterr = 0; - while ((op=getopt(argc, argv, "a:Pp:C:S:t:scvVd")) != -1) { + while ((op=getopt(argc, argv, "a:Pp:C:S:t:scvVdw:")) != -1) { switch (op) { case 'a': ret = get_addr(optarg, (struct sockaddr *) &cb->sin); @@ -1156,8 +1388,8 @@ (cb->size > (RPING_BUFSIZE - 1))) { fprintf(stderr, "Invalid size %d " "(valid range is %d to %d)\n", - (int)cb->size, (int)(RPING_MIN_BUFSIZE), - (int)(RPING_BUFSIZE)); + (int)cb->size, (int)RPING_MIN_BUFSIZE, + (int)RPING_BUFSIZE); ret = EINVAL; } else DEBUG_LOG("size %d\n", (int) atoi(optarg)); @@ -1182,6 +1414,12 @@ case 'd': debug++; break; + case 'w': + DEBUG_LOG("using memory window\n"); + ++cb->check_mw; + type_mw = (uint8_t) atoi(optarg); + DEBUG_LOG("type of memory window %d\n", type_mw); + break; default: usage("rping"); ret = EINVAL; @@ -1197,28 +1435,50 @@ goto out; } + if (cb->check_mw && cb->server) { + ret = EINVAL; + errno = EINVAL; + perror("server cannot have MW flag"); + goto out; + } + + if (cb->check_mw && type_mw != 1 && type_mw != 2) { + ret = EINVAL; + errno = EINVAL; + perror("MW type can accept values 1 or 2"); + goto out; + } + cb->cm_channel = rdma_create_event_channel(); if (!cb->cm_channel) { + ret = errno; + errno = ENOMEM; perror("rdma_create_event_channel"); goto out; } ret = rdma_create_id(cb->cm_channel, &cb->cm_id, cb, RDMA_PS_TCP); if (ret) { + ret = errno; perror("rdma_create_id"); goto out2; } DEBUG_LOG("created cm_id %p\n", cb->cm_id); - pthread_create(&cb->cmthread, NULL, cm_thread, cb); + ret = pthread_create(&cb->cmthread, NULL, cm_thread, cb); + if (ret) { + perror("pthread_create"); + goto out2; + } if (cb->server) { if (persistent_server) ret = rping_run_persistent_server(cb); else ret = rping_run_server(cb); - } else + } else { ret = rping_run_client(cb); + } DEBUG_LOG("destroy cm_id %p\n", cb->cm_id); rdma_destroy_id(cb->cm_id); Index: contrib/ofed/librdmacm/examples/udaddy.c =================================================================== --- contrib/ofed/librdmacm/examples/udaddy.c +++ contrib/ofed/librdmacm/examples/udaddy.c @@ -44,6 +44,7 @@ #include #include +#include "common.h" struct cmatest_node { int id; @@ -64,22 +65,20 @@ int conn_index; int connects_left; - struct sockaddr_in dst_in; - struct sockaddr *dst_addr; - struct sockaddr_in src_in; - struct sockaddr *src_addr; + struct rdma_addrinfo *rai; }; static struct cmatest test; static int connections = 1; static int message_size = 100; static int message_count = 10; -static uint16_t port = 7174; +static char *port = "7174"; static uint8_t set_tos = 0; static uint8_t tos; static char *dst_addr; static char *src_addr; -static enum rdma_port_space port_space = RDMA_PS_UDP; +static struct rdma_addrinfo hints; +static uint8_t set_ts; static int create_message(struct cmatest_node *node) { @@ -139,7 +138,16 @@ } cqe = message_count ? message_count * 2 : 2; - node->cq = ibv_create_cq(node->cma_id->verbs, cqe, node, 0, 0); + if (set_ts) { + struct ibv_exp_cq_init_attr cq_init_attr; + memset(&cq_init_attr, 0, sizeof(cq_init_attr)); + cq_init_attr.flags = IBV_EXP_CQ_TIMESTAMP; + cq_init_attr.comp_mask = IBV_EXP_CQ_INIT_ATTR_FLAGS; + node->cq = (struct ibv_cq *)ibv_exp_create_cq(node->cma_id->verbs, + cqe, node, NULL, 0, + &cq_init_attr); + } else + node->cq = ibv_create_cq(node->cma_id->verbs, cqe, node, 0, 0); if (!node->cq) { ret = -ENOMEM; printf("udaddy: unable to create CQ\n"); @@ -228,6 +236,18 @@ ret = ibv_post_send(node->cma_id->qp, &send_wr, &bad_send_wr); if (ret) printf("failed to post sends: %d\n", ret); + else if (set_ts) { + struct ibv_exp_values queried_values; + queried_values.comp_mask = IBV_EXP_VALUES_HW_CLOCK; + if (!ibv_exp_query_values(node->cma_id->verbs, + IBV_EXP_VALUES_HW_CLOCK, + &queried_values) && + (queried_values.comp_mask & + IBV_EXP_VALUES_HW_CLOCK)) { + printf("Event: Post send was called in %lu\n", + queried_values.hwclock); + } + } } return ret; } @@ -274,6 +294,8 @@ goto err; memset(&conn_param, 0, sizeof conn_param); + conn_param.private_data = test.rai->ai_connect; + conn_param.private_data_len = test.rai->ai_connect_len; ret = rdma_connect(node->cma_id, &conn_param); if (ret) { perror("udaddy: failure connecting"); @@ -429,7 +451,7 @@ if (dst_addr) { ret = rdma_create_id(test.channel, &test.nodes[i].cma_id, - &test.nodes[i], port_space); + &test.nodes[i], hints.ai_port_space); if (ret) goto err; } @@ -464,24 +486,60 @@ node->remote_qkey = attr.qkey; } +#define GET_WC(ptr, index) ((struct ibv_wc *)((void *)ptr + index * \ + (set_ts ? sizeof(struct ibv_exp_wc) : \ + sizeof(struct ibv_wc)))) + static int poll_cqs(void) { struct ibv_wc wc[8]; - int done, i, ret; + struct ibv_exp_wc exp_wc[8]; + int done, i, ret, j; + struct ibv_wc *p_wc; for (i = 0; i < connections; i++) { if (!test.nodes[i].connected) continue; for (done = 0; done < message_count; done += ret) { - ret = ibv_poll_cq(test.nodes[i].cq, 8, wc); + if (set_ts) { + ret = ibv_exp_poll_cq(test.nodes[i].cq, 8, exp_wc, + sizeof(exp_wc[0])); + p_wc = (struct ibv_wc *)exp_wc; + } else { + ret = ibv_poll_cq(test.nodes[i].cq, 8, wc); + p_wc = (struct ibv_wc *)wc; + } if (ret < 0) { printf("udaddy: failed polling CQ: %d\n", ret); return ret; } + if (set_ts && ret > 0) { + struct ibv_exp_values queried_values; + queried_values.comp_mask = IBV_EXP_VALUES_HW_CLOCK; + if (ibv_exp_query_values(test.nodes[i].cq + ->context, + IBV_EXP_VALUES_HW_CLOCK, + &queried_values) && + (queried_values.comp_mask & + IBV_EXP_VALUES_HW_CLOCK)) { + printf("Error in querying hw clock\n"); + queried_values.hwclock = 0; + } + for (j = 0; j < ret; j++) + printf("connection %d, batch %d, " + "packet %d/%d %s, " + "queried: %lu, timestamp: %lu\n", + i, done, j + 1, ret, + p_wc->opcode == IBV_WC_SEND ? + "tx" : "rx", + queried_values.hwclock, + exp_wc[j].timestamp); + } + if (ret && !test.nodes[i].ah) - create_reply_ah(&test.nodes[i], wc); + create_reply_ah(&test.nodes[i], p_wc); } } return 0; @@ -502,52 +560,28 @@ return ret; } -static int get_addr(char *dst, struct sockaddr_in *addr) -{ - struct addrinfo *res; - int ret; - - ret = getaddrinfo(dst, NULL, NULL, &res); - if (ret) { - printf("getaddrinfo failed - invalid hostname or IP address\n"); - return ret; - } - - if (res->ai_family != PF_INET) { - ret = -1; - goto out; - } - - *addr = *(struct sockaddr_in *) res->ai_addr; -out: - freeaddrinfo(res); - return ret; -} - static int run_server(void) { struct rdma_cm_id *listen_id; int i, ret; printf("udaddy: starting server\n"); - ret = rdma_create_id(test.channel, &listen_id, &test, port_space); + ret = rdma_create_id(test.channel, &listen_id, &test, hints.ai_port_space); if (ret) { perror("udaddy: listen request failed"); return ret; } - if (src_addr) { - ret = get_addr(src_addr, &test.src_in); - if (ret) - goto out; - } else - test.src_in.sin_family = PF_INET; + ret = get_rdma_addr(src_addr, dst_addr, port, &hints, &test.rai); + if (ret) { + perror("cmatose: getrdmaaddr error"); + goto out; + } - test.src_in.sin_port = port; - ret = rdma_bind_addr(listen_id, test.src_addr); + ret = rdma_bind_addr(listen_id, test.rai->ai_src_addr); if (ret) { perror("udaddy: bind address failed"); - return ret; + goto out; } ret = rdma_listen(listen_id, 0); @@ -586,23 +620,17 @@ int i, ret; printf("udaddy: starting client\n"); - if (src_addr) { - ret = get_addr(src_addr, &test.src_in); - if (ret) - return ret; - } - ret = get_addr(dst_addr, &test.dst_in); - if (ret) + ret = get_rdma_addr(src_addr, dst_addr, port, &hints, &test.rai); + if (ret) { + perror("udaddy: getaddrinfo error"); return ret; - - test.dst_in.sin_port = port; + } printf("udaddy: connecting\n"); for (i = 0; i < connections; i++) { - ret = rdma_resolve_addr(test.nodes[i].cma_id, - src_addr ? test.src_addr : NULL, - test.dst_addr, 2000); + ret = rdma_resolve_addr(test.nodes[i].cma_id, test.rai->ai_src_addr, + test.rai->ai_dst_addr, 2000); if (ret) { perror("udaddy: failure getting addr"); connect_error(); @@ -636,7 +664,8 @@ { int op, ret; - while ((op = getopt(argc, argv, "s:b:c:C:S:t:p:")) != -1) { + hints.ai_port_space = RDMA_PS_UDP; + while ((op = getopt(argc, argv, "s:b:c:C:S:t:p:P:f:T")) != -1) { switch (op) { case 's': dst_addr = optarg; @@ -655,27 +684,50 @@ break; case 't': set_tos = 1; - tos = (uint8_t) atoi(optarg); + tos = (uint8_t) strtoul(optarg, NULL, 0); + break; + case 'p': /* for backwards compatibility - use -P */ + hints.ai_port_space = strtol(optarg, NULL, 0); break; - case 'p': - port_space = strtol(optarg, NULL, 0); + case 'f': + if (!strncasecmp("ip", optarg, 2)) { + hints.ai_flags = RAI_NUMERICHOST; + } else if (!strncasecmp("gid", optarg, 3)) { + hints.ai_flags = RAI_NUMERICHOST | RAI_FAMILY; + hints.ai_family = AF_IB; + } else if (strncasecmp("name", optarg, 4)) { + fprintf(stderr, "Warning: unknown address format\n"); + } + break; + case 'P': + if (!strncasecmp("ipoib", optarg, 5)) { + hints.ai_port_space = RDMA_PS_IPOIB; + } else if (strncasecmp("udp", optarg, 3)) { + fprintf(stderr, "Warning: unknown port space format\n"); + } + break; + case 'T': + set_ts = 1; break; default: printf("usage: %s\n", argv[0]); printf("\t[-s server_address]\n"); printf("\t[-b bind_address]\n"); + printf("\t[-f address_format]\n"); + printf("\t name, ip, ipv6, or gid\n"); + printf("\t[-P port_space]\n"); + printf("\t udp or ipoib\n"); printf("\t[-c connections]\n"); printf("\t[-C message_count]\n"); printf("\t[-S message_size]\n"); printf("\t[-t type_of_service]\n"); printf("\t[-p port_space - %#x for UDP (default), " "%#x for IPOIB]\n", RDMA_PS_UDP, RDMA_PS_IPOIB); + printf("\t[-T for timestamping]\n"); exit(1); } } - test.dst_addr = (struct sockaddr *) &test.dst_in; - test.src_addr = (struct sockaddr *) &test.src_in; test.connects_left = connections; test.channel = rdma_create_event_channel(); @@ -687,14 +739,18 @@ if (alloc_nodes()) exit(1); - if (dst_addr) + if (dst_addr) { ret = run_client(); - else + } else { + hints.ai_flags |= RAI_PASSIVE; ret = run_server(); + } printf("test complete\n"); destroy_nodes(); rdma_destroy_event_channel(test.channel); + if (test.rai) + rdma_freeaddrinfo(test.rai); printf("return status %d\n", ret); return ret; Index: contrib/ofed/librdmacm/include/infiniband/ib.h =================================================================== --- /dev/null +++ contrib/ofed/librdmacm/include/infiniband/ib.h @@ -0,0 +1,111 @@ +/* + * Copyright (c) 2010 Intel Corporation. All rights reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * OpenIB.org BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#if !defined(_RDMA_IB_H) +#define _RDMA_IB_H + +#include +#include + +#ifndef AF_IB +#define AF_IB 41 +#endif +#ifndef PF_IB +#define PF_IB AF_IB +#endif + +#ifndef s6_addr32 +#define s6_addr32 __u6_addr.__u6_addr32 +#endif + +#ifndef __be16 +#define __be16 uint16_t +#endif +#ifndef __be32 +#define __be32 uint32_t +#endif +#ifndef __be64 +#define __be64 uint64_t +#endif + +struct ib_addr { + union { + uint8_t uib_addr8[16]; + __be16 uib_addr16[8]; + __be32 uib_addr32[4]; + __be64 uib_addr64[2]; + } ib_u; +#define sib_addr8 ib_u.uib_addr8 +#define sib_addr16 ib_u.uib_addr16 +#define sib_addr32 ib_u.uib_addr32 +#define sib_addr64 ib_u.uib_addr64 +#define sib_raw ib_u.uib_addr8 +#define sib_subnet_prefix ib_u.uib_addr64[0] +#define sib_interface_id ib_u.uib_addr64[1] +}; + +static inline int ib_addr_any(const struct ib_addr *a) +{ + return ((a->sib_addr64[0] | a->sib_addr64[1]) == 0); +} + +static inline int ib_addr_loopback(const struct ib_addr *a) +{ + return ((a->sib_addr32[0] | a->sib_addr32[1] | + a->sib_addr32[2] | (a->sib_addr32[3] ^ htonl(1))) == 0); +} + +static inline void ib_addr_set(struct ib_addr *addr, + __be32 w1, __be32 w2, __be32 w3, __be32 w4) +{ + addr->sib_addr32[0] = w1; + addr->sib_addr32[1] = w2; + addr->sib_addr32[2] = w3; + addr->sib_addr32[3] = w4; +} + +static inline int ib_addr_cmp(const struct ib_addr *a1, const struct ib_addr *a2) +{ + return memcmp(a1, a2, sizeof(struct ib_addr)); +} + +struct sockaddr_ib { + unsigned short int sib_family; /* AF_IB */ + __be16 sib_pkey; + __be32 sib_flowinfo; + struct ib_addr sib_addr; + __be64 sib_sid; + __be64 sib_sid_mask; + uint64_t sib_scope_id; +}; + +#endif /* _RDMA_IB_H */ Index: contrib/ofed/librdmacm/include/rdma/rdma_cma.h =================================================================== --- contrib/ofed/librdmacm/include/rdma/rdma_cma.h +++ contrib/ofed/librdmacm/include/rdma/rdma_cma.h @@ -1,6 +1,6 @@ /* * Copyright (c) 2005 Voltaire Inc. All rights reserved. - * Copyright (c) 2005-2007 Intel Corporation. All rights reserved. + * Copyright (c) 2005-2014 Intel Corporation. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU @@ -67,32 +67,45 @@ }; enum rdma_port_space { - RDMA_PS_IPOIB= 0x0002, - RDMA_PS_TCP = 0x0106, - RDMA_PS_UDP = 0x0111, + RDMA_PS_IPOIB = 0x0002, + RDMA_PS_TCP = 0x0106, + RDMA_PS_UDP = 0x0111, + RDMA_PS_IB = 0x013F, }; +#define RDMA_IB_IP_PS_MASK 0xFFFFFFFFFFFF0000ULL +#define RDMA_IB_IP_PORT_MASK 0x000000000000FFFFULL +#define RDMA_IB_IP_PS_TCP 0x0000000001060000ULL +#define RDMA_IB_IP_PS_UDP 0x0000000001110000ULL +#define RDMA_IB_PS_IB 0x00000000013F0000ULL + /* * Global qkey value for UDP QPs and multicast groups created via the * RDMA CM. */ #define RDMA_UDP_QKEY 0x01234567 -struct ib_addr { +struct rdma_ib_addr { union ibv_gid sgid; union ibv_gid dgid; uint16_t pkey; }; struct rdma_addr { - struct sockaddr src_addr; - uint8_t src_pad[sizeof(struct sockaddr_storage) - - sizeof(struct sockaddr)]; - struct sockaddr dst_addr; - uint8_t dst_pad[sizeof(struct sockaddr_storage) - - sizeof(struct sockaddr)]; union { - struct ib_addr ibaddr; + struct sockaddr src_addr; + struct sockaddr_in src_sin; + struct sockaddr_in6 src_sin6; + struct sockaddr_storage src_storage; + }; + union { + struct sockaddr dst_addr; + struct sockaddr_in dst_sin; + struct sockaddr_in6 dst_sin6; + struct sockaddr_storage dst_storage; + }; + union { + struct rdma_ib_addr ibaddr; } addr; }; @@ -114,6 +127,19 @@ struct rdma_route route; enum rdma_port_space ps; uint8_t port_num; + struct rdma_cm_event *event; + struct ibv_comp_channel *send_cq_channel; + struct ibv_cq *send_cq; + struct ibv_comp_channel *recv_cq_channel; + struct ibv_cq *recv_cq; + struct ibv_srq *srq; + struct ibv_pd *pd; + enum ibv_qp_type qp_type; +}; + +enum { + RDMA_MAX_RESP_RES = 0xFF, + RDMA_MAX_INIT_DEPTH = 0xFF }; struct rdma_conn_param { @@ -148,6 +174,29 @@ } param; }; +#define RAI_PASSIVE 0x00000001 +#define RAI_NUMERICHOST 0x00000002 +#define RAI_NOROUTE 0x00000004 +#define RAI_FAMILY 0x00000008 + +struct rdma_addrinfo { + int ai_flags; + int ai_family; + int ai_qp_type; + int ai_port_space; + socklen_t ai_src_len; + socklen_t ai_dst_len; + struct sockaddr *ai_src_addr; + struct sockaddr *ai_dst_addr; + char *ai_src_canonname; + char *ai_dst_canonname; + size_t ai_route_len; + void *ai_route; + size_t ai_connect_len; + void *ai_connect; + struct rdma_addrinfo *ai_next; +}; + /** * rdma_create_event_channel - Open a channel used to report communication events. * Description: @@ -202,6 +251,43 @@ enum rdma_port_space ps); /** + * rdma_create_ep - Allocate a communication identifier and qp. + * @id: A reference where the allocated communication identifier will be + * returned. + * @res: Result from rdma_getaddrinfo, which specifies the source and + * destination addresses, plus optional routing and connection information. + * @pd: Optional protection domain. This parameter is ignored if qp_init_attr + * is NULL. + * @qp_init_attr: Optional attributes for a QP created on the rdma_cm_id. + * Description: + * Create an identifier and option QP used for communication. + * Notes: + * If qp_init_attr is provided, then a queue pair will be allocated and + * associated with the rdma_cm_id. If a pd is provided, the QP will be + * created on that PD. Otherwise, the QP will be allocated on a default + * PD. + * The rdma_cm_id will be set to use synchronous operations (connect, + * listen, and get_request). To convert to asynchronous operation, the + * rdma_cm_id should be migrated to a user allocated event channel. + * See also: + * rdma_create_id, rdma_create_qp, rdma_migrate_id, rdma_connect, + * rdma_listen + */ +int rdma_create_ep(struct rdma_cm_id **id, struct rdma_addrinfo *res, + struct ibv_pd *pd, struct ibv_qp_init_attr *qp_init_attr); + +/** + * rdma_destroy_ep - Deallocates a communication identifier and qp. + * @id: The communication identifer to destroy. + * Description: + * Destroys the specified rdma_cm_id and any associated QP created + * on that id. + * See also: + * rdma_create_ep + */ +void rdma_destroy_ep(struct rdma_cm_id *id); + +/** * rdma_destroy_id - Release a communication identifier. * @id: The communication identifier to destroy. * Description: @@ -278,7 +364,7 @@ /** * rdma_create_qp - Allocate a QP. * @id: RDMA identifier. - * @pd: protection domain for the QP. + * @pd: Optional protection domain for the QP. * @qp_init_attr: initial QP attributes. * Description: * Allocate a QP associated with the specified rdma_cm_id and transition it @@ -290,12 +376,16 @@ * librdmacm through their states. After being allocated, the QP will be * ready to handle posting of receives. If the QP is unconnected, it will * be ready to post sends. + * If pd is NULL, then the QP will be allocated using a default protection + * domain associated with the underlying RDMA device. * See also: * rdma_bind_addr, rdma_resolve_addr, rdma_destroy_qp, ibv_create_qp, * ibv_modify_qp */ int rdma_create_qp(struct rdma_cm_id *id, struct ibv_pd *pd, struct ibv_qp_init_attr *qp_init_attr); +int rdma_create_qp_ex(struct rdma_cm_id *id, + struct ibv_qp_init_attr_ex *qp_init_attr); /** * rdma_destroy_qp - Deallocate a QP. @@ -313,7 +403,7 @@ /** * rdma_connect - Initiate an active connection request. * @id: RDMA identifier. - * @conn_param: connection parameters. + * @conn_param: optional connection parameters. * Description: * For a connected rdma_cm_id, this call initiates a connection request * to a remote destination. For an unconnected rdma_cm_id, it initiates @@ -321,6 +411,8 @@ * Notes: * Users must have resolved a route to the destination address * by having called rdma_resolve_route before calling this routine. + * A user may override the default connection parameters and exchange + * private data as part of the connection by using the conn_param parameter. * See also: * rdma_resolve_route, rdma_disconnect, rdma_listen, rdma_get_cm_event */ @@ -347,9 +439,14 @@ int rdma_listen(struct rdma_cm_id *id, int backlog); /** + * rdma_get_request + */ +int rdma_get_request(struct rdma_cm_id *listen, struct rdma_cm_id **id); + +/** * rdma_accept - Called to accept a connection request. * @id: Connection identifier associated with the request. - * @conn_param: Information needed to establish the connection. + * @conn_param: Optional information needed to establish the connection. * Description: * Called from the listening side to accept a connection or datagram * service lookup request. @@ -360,6 +457,8 @@ * events give the user a newly created rdma_cm_id, similar to a new * socket, but the rdma_cm_id is bound to a specific RDMA device. * rdma_accept is called on the new rdma_cm_id. + * A user may override the default connection parameters and exchange + * private data as part of the connection by using the conn_param parameter. * See also: * rdma_listen, rdma_reject, rdma_get_cm_event */ @@ -486,19 +585,8 @@ */ int rdma_ack_cm_event(struct rdma_cm_event *event); -static inline uint16_t rdma_get_src_port(struct rdma_cm_id *id) -{ - return id->route.addr.src_addr.sa_family == PF_INET6 ? - ((struct sockaddr_in6 *) &id->route.addr.src_addr)->sin6_port : - ((struct sockaddr_in *) &id->route.addr.src_addr)->sin_port; -} - -static inline uint16_t rdma_get_dst_port(struct rdma_cm_id *id) -{ - return id->route.addr.dst_addr.sa_family == PF_INET6 ? - ((struct sockaddr_in6 *) &id->route.addr.dst_addr)->sin6_port : - ((struct sockaddr_in *) &id->route.addr.dst_addr)->sin_port; -} +uint16_t rdma_get_src_port(struct rdma_cm_id *id); +uint16_t rdma_get_dst_port(struct rdma_cm_id *id); static inline struct sockaddr *rdma_get_local_addr(struct rdma_cm_id *id) { @@ -547,12 +635,16 @@ /* Option levels */ enum { - RDMA_OPTION_ID = 0 + RDMA_OPTION_ID = 0, + RDMA_OPTION_IB = 1 }; /* Option details */ enum { - RDMA_OPTION_ID_TOS = 0 /* uint8_t: RFC 2474 */ + RDMA_OPTION_ID_TOS = 0, /* uint8_t: RFC 2474 */ + RDMA_OPTION_ID_REUSEADDR = 1, /* int: ~SO_REUSEADDR */ + RDMA_OPTION_ID_AFONLY = 2, /* int: ~IPV6_V6ONLY */ + RDMA_OPTION_IB_PATH = 1 /* struct ibv_path_data[] */ }; /** @@ -573,6 +665,15 @@ */ int rdma_migrate_id(struct rdma_cm_id *id, struct rdma_event_channel *channel); +/** + * rdma_getaddrinfo - RDMA address and route resolution service. + */ +int rdma_getaddrinfo(char *node, char *service, + struct rdma_addrinfo *hints, + struct rdma_addrinfo **res); + +void rdma_freeaddrinfo(struct rdma_addrinfo *res); + #ifdef __cplusplus } #endif Index: contrib/ofed/librdmacm/include/rdma/rdma_cma_abi.h =================================================================== --- contrib/ofed/librdmacm/include/rdma/rdma_cma_abi.h +++ contrib/ofed/librdmacm/include/rdma/rdma_cma_abi.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2005-2006 Intel Corporation. All rights reserved. + * Copyright (c) 2005-2011 Intel Corporation. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU @@ -35,6 +35,7 @@ #include #include +#include /* * This file must be kept in sync with the kernel's version of rdma_user_cm.h @@ -48,8 +49,8 @@ enum { UCMA_CMD_CREATE_ID, UCMA_CMD_DESTROY_ID, - UCMA_CMD_BIND_ADDR, - UCMA_CMD_RESOLVE_ADDR, + UCMA_CMD_BIND_IP, + UCMA_CMD_RESOLVE_IP, UCMA_CMD_RESOLVE_ROUTE, UCMA_CMD_QUERY_ROUTE, UCMA_CMD_CONNECT, @@ -62,9 +63,13 @@ UCMA_CMD_GET_OPTION, UCMA_CMD_SET_OPTION, UCMA_CMD_NOTIFY, - UCMA_CMD_JOIN_MCAST, + UCMA_CMD_JOIN_IP_MCAST, UCMA_CMD_LEAVE_MCAST, - UCMA_CMD_MIGRATE_ID + UCMA_CMD_MIGRATE_ID, + UCMA_CMD_QUERY, + UCMA_CMD_BIND, + UCMA_CMD_RESOLVE_ADDR, + UCMA_CMD_JOIN_MCAST }; struct ucma_abi_cmd_hdr { @@ -74,10 +79,14 @@ }; struct ucma_abi_create_id { + __u32 cmd; + __u16 in; + __u16 out; __u64 uid; __u64 response; __u16 ps; - __u8 reserved[6]; + __u8 qp_type; + __u8 reserved[5]; }; struct ucma_abi_create_id_resp { @@ -85,6 +94,9 @@ }; struct ucma_abi_destroy_id { + __u32 cmd; + __u16 in; + __u16 out; __u64 response; __u32 id; __u32 reserved; @@ -94,28 +106,69 @@ __u32 events_reported; }; -struct ucma_abi_bind_addr { +struct ucma_abi_bind_ip { + __u32 cmd; + __u16 in; + __u16 out; __u64 response; struct sockaddr_in6 addr; __u32 id; }; -struct ucma_abi_resolve_addr { +struct ucma_abi_bind { + __u32 cmd; + __u16 in; + __u16 out; + __u32 id; + __u16 addr_size; + __u16 reserved; + struct sockaddr_storage addr; +}; + +struct ucma_abi_resolve_ip { + __u32 cmd; + __u16 in; + __u16 out; struct sockaddr_in6 src_addr; struct sockaddr_in6 dst_addr; __u32 id; __u32 timeout_ms; }; +struct ucma_abi_resolve_addr { + __u32 cmd; + __u16 in; + __u16 out; + __u32 id; + __u32 timeout_ms; + __u16 src_size; + __u16 dst_size; + __u32 reserved; + struct sockaddr_storage src_addr; + struct sockaddr_storage dst_addr; +}; + struct ucma_abi_resolve_route { + __u32 cmd; + __u16 in; + __u16 out; __u32 id; __u32 timeout_ms; }; -struct ucma_abi_query_route { +enum { + UCMA_QUERY_ADDR, + UCMA_QUERY_PATH, + UCMA_QUERY_GID +}; + +struct ucma_abi_query { + __u32 cmd; + __u16 in; + __u16 out; __u64 response; __u32 id; - __u32 reserved; + __u32 option; }; struct ucma_abi_query_route_resp { @@ -128,6 +181,23 @@ __u8 reserved[3]; }; +struct ucma_abi_query_addr_resp { + __u64 node_guid; + __u8 port_num; + __u8 reserved; + __u16 pkey; + __u16 src_size; + __u16 dst_size; + struct sockaddr_storage src_addr; + struct sockaddr_storage dst_addr; +}; + +struct ucma_abi_query_path_resp { + __u32 num_paths; + __u32 reserved; + struct ibv_path_data path_data[0]; +}; + struct ucma_abi_conn_param { __u32 qp_num; __u32 reserved; @@ -153,17 +223,26 @@ }; struct ucma_abi_connect { + __u32 cmd; + __u16 in; + __u16 out; struct ucma_abi_conn_param conn_param; __u32 id; __u32 reserved; }; struct ucma_abi_listen { + __u32 cmd; + __u16 in; + __u16 out; __u32 id; __u32 backlog; }; struct ucma_abi_accept { + __u32 cmd; + __u16 in; + __u16 out; __u64 uid; struct ucma_abi_conn_param conn_param; __u32 id; @@ -171,6 +250,9 @@ }; struct ucma_abi_reject { + __u32 cmd; + __u16 in; + __u16 out; __u32 id; __u8 private_data_len; __u8 reserved[3]; @@ -178,28 +260,55 @@ }; struct ucma_abi_disconnect { + __u32 cmd; + __u16 in; + __u16 out; __u32 id; }; struct ucma_abi_init_qp_attr { + __u32 cmd; + __u16 in; + __u16 out; __u64 response; __u32 id; __u32 qp_state; }; struct ucma_abi_notify { + __u32 cmd; + __u16 in; + __u16 out; __u32 id; __u32 event; }; -struct ucma_abi_join_mcast { +struct ucma_abi_join_ip_mcast { + __u32 cmd; + __u16 in; + __u16 out; __u64 response; /* ucma_abi_create_id_resp */ __u64 uid; struct sockaddr_in6 addr; __u32 id; }; +struct ucma_abi_join_mcast { + __u32 cmd; + __u16 in; + __u16 out; + __u64 response; /* rdma_ucma_create_id_resp */ + __u64 uid; + __u32 id; + __u16 addr_size; + __u16 reserved; + struct sockaddr_storage addr; +}; + struct ucma_abi_get_event { + __u32 cmd; + __u16 in; + __u16 out; __u64 response; }; @@ -215,6 +324,9 @@ }; struct ucma_abi_set_option { + __u32 cmd; + __u16 in; + __u16 out; __u64 optval; __u32 id; __u32 level; @@ -223,6 +335,9 @@ }; struct ucma_abi_migrate_id { + __u32 cmd; + __u16 in; + __u16 out; __u64 response; __u32 id; __u32 fd; Index: contrib/ofed/librdmacm/include/rdma/rdma_verbs.h =================================================================== --- /dev/null +++ contrib/ofed/librdmacm/include/rdma/rdma_verbs.h @@ -0,0 +1,317 @@ +/* + * Copyright (c) 2010-2014 Intel Corporation. All rights reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * OpenIB.org BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#if !defined(RDMA_VERBS_H) +#define RDMA_VERBS_H + +#include +#include +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +static inline int rdma_seterrno(int ret) +{ + if (ret) { + errno = ret; + ret = -1; + } + return ret; +} + +/* + * Shared receive queues. + */ +int rdma_create_srq(struct rdma_cm_id *id, struct ibv_pd *pd, + struct ibv_srq_init_attr *attr); +int rdma_create_srq_ex(struct rdma_cm_id *id, struct ibv_srq_init_attr_ex *attr); + +void rdma_destroy_srq(struct rdma_cm_id *id); + + +/* + * Memory registration helpers. + */ +static inline struct ibv_mr * +rdma_reg_msgs(struct rdma_cm_id *id, void *addr, size_t length) +{ + return ibv_reg_mr(id->pd, addr, length, IBV_ACCESS_LOCAL_WRITE); +} + +static inline struct ibv_mr * +rdma_reg_read(struct rdma_cm_id *id, void *addr, size_t length) +{ + return ibv_reg_mr(id->pd, addr, length, IBV_ACCESS_LOCAL_WRITE | + IBV_ACCESS_REMOTE_READ); +} + +static inline struct ibv_mr * +rdma_reg_write(struct rdma_cm_id *id, void *addr, size_t length) +{ + return ibv_reg_mr(id->pd, addr, length, IBV_ACCESS_LOCAL_WRITE | + IBV_ACCESS_REMOTE_WRITE); +} + +static inline int +rdma_dereg_mr(struct ibv_mr *mr) +{ + return rdma_seterrno(ibv_dereg_mr(mr)); +} + + +/* + * Vectored send, receive, and RDMA operations. + * Support multiple scatter-gather entries. + */ +static inline int +rdma_post_recvv(struct rdma_cm_id *id, void *context, struct ibv_sge *sgl, + int nsge) +{ + struct ibv_recv_wr wr, *bad; + + wr.wr_id = (uintptr_t) context; + wr.next = NULL; + wr.sg_list = sgl; + wr.num_sge = nsge; + + if (id->srq) + return rdma_seterrno(ibv_post_srq_recv(id->srq, &wr, &bad)); + else + return rdma_seterrno(ibv_post_recv(id->qp, &wr, &bad)); +} + +static inline int +rdma_post_sendv(struct rdma_cm_id *id, void *context, struct ibv_sge *sgl, + int nsge, int flags) +{ + struct ibv_send_wr wr, *bad; + + wr.wr_id = (uintptr_t) context; + wr.next = NULL; + wr.sg_list = sgl; + wr.num_sge = nsge; + wr.opcode = IBV_WR_SEND; + wr.send_flags = flags; + + return rdma_seterrno(ibv_post_send(id->qp, &wr, &bad)); +} + +static inline int +rdma_post_readv(struct rdma_cm_id *id, void *context, struct ibv_sge *sgl, + int nsge, int flags, uint64_t remote_addr, uint32_t rkey) +{ + struct ibv_send_wr wr, *bad; + + wr.wr_id = (uintptr_t) context; + wr.next = NULL; + wr.sg_list = sgl; + wr.num_sge = nsge; + wr.opcode = IBV_WR_RDMA_READ; + wr.send_flags = flags; + wr.wr.rdma.remote_addr = remote_addr; + wr.wr.rdma.rkey = rkey; + + return rdma_seterrno(ibv_post_send(id->qp, &wr, &bad)); +} + +static inline int +rdma_post_writev(struct rdma_cm_id *id, void *context, struct ibv_sge *sgl, + int nsge, int flags, uint64_t remote_addr, uint32_t rkey) +{ + struct ibv_send_wr wr, *bad; + + wr.wr_id = (uintptr_t) context; + wr.next = NULL; + wr.sg_list = sgl; + wr.num_sge = nsge; + wr.opcode = IBV_WR_RDMA_WRITE; + wr.send_flags = flags; + wr.wr.rdma.remote_addr = remote_addr; + wr.wr.rdma.rkey = rkey; + + return rdma_seterrno(ibv_post_send(id->qp, &wr, &bad)); +} + +/* + * Simple send, receive, and RDMA calls. + */ +static inline int +rdma_post_recv(struct rdma_cm_id *id, void *context, void *addr, + size_t length, struct ibv_mr *mr) +{ + struct ibv_sge sge; + + assert((addr >= mr->addr) && + (((uint8_t *) addr + length) <= ((uint8_t *) mr->addr + mr->length))); + sge.addr = (uint64_t) (uintptr_t) addr; + sge.length = (uint32_t) length; + sge.lkey = mr->lkey; + + return rdma_post_recvv(id, context, &sge, 1); +} + +static inline int +rdma_post_send(struct rdma_cm_id *id, void *context, void *addr, + size_t length, struct ibv_mr *mr, int flags) +{ + struct ibv_sge sge; + + sge.addr = (uint64_t) (uintptr_t) addr; + sge.length = (uint32_t) length; + sge.lkey = mr ? mr->lkey : 0; + + return rdma_post_sendv(id, context, &sge, 1, flags); +} + +static inline int +rdma_post_read(struct rdma_cm_id *id, void *context, void *addr, + size_t length, struct ibv_mr *mr, int flags, + uint64_t remote_addr, uint32_t rkey) +{ + struct ibv_sge sge; + + sge.addr = (uint64_t) (uintptr_t) addr; + sge.length = (uint32_t) length; + sge.lkey = mr->lkey; + + return rdma_post_readv(id, context, &sge, 1, flags, remote_addr, rkey); +} + +static inline int +rdma_post_write(struct rdma_cm_id *id, void *context, void *addr, + size_t length, struct ibv_mr *mr, int flags, + uint64_t remote_addr, uint32_t rkey) +{ + struct ibv_sge sge; + + sge.addr = (uint64_t) (uintptr_t) addr; + sge.length = (uint32_t) length; + sge.lkey = mr ? mr->lkey : 0; + + return rdma_post_writev(id, context, &sge, 1, flags, remote_addr, rkey); +} + +static inline int +rdma_post_ud_send(struct rdma_cm_id *id, void *context, void *addr, + size_t length, struct ibv_mr *mr, int flags, + struct ibv_ah *ah, uint32_t remote_qpn) +{ + struct ibv_send_wr wr, *bad; + struct ibv_sge sge; + + sge.addr = (uint64_t) (uintptr_t) addr; + sge.length = (uint32_t) length; + sge.lkey = mr ? mr->lkey : 0; + + wr.wr_id = (uintptr_t) context; + wr.next = NULL; + wr.sg_list = &sge; + wr.num_sge = 1; + wr.opcode = IBV_WR_SEND; + wr.send_flags = flags; + wr.wr.ud.ah = ah; + wr.wr.ud.remote_qpn = remote_qpn; + wr.wr.ud.remote_qkey = RDMA_UDP_QKEY; + + return rdma_seterrno(ibv_post_send(id->qp, &wr, &bad)); +} + +static inline int +rdma_get_send_comp(struct rdma_cm_id *id, struct ibv_wc *wc) +{ + struct ibv_cq *cq; + void *context; + int ret; + + do { + ret = ibv_poll_cq(id->send_cq, 1, wc); + if (ret) + break; + + ret = ibv_req_notify_cq(id->send_cq, 0); + if (ret) + return rdma_seterrno(ret); + + ret = ibv_poll_cq(id->send_cq, 1, wc); + if (ret) + break; + + ret = ibv_get_cq_event(id->send_cq_channel, &cq, &context); + if (ret) + return ret; + + assert(cq == id->send_cq && context == id); + ibv_ack_cq_events(id->send_cq, 1); + } while (1); + + return (ret < 0) ? rdma_seterrno(ret) : ret; +} + +static inline int +rdma_get_recv_comp(struct rdma_cm_id *id, struct ibv_wc *wc) +{ + struct ibv_cq *cq; + void *context; + int ret; + + do { + ret = ibv_poll_cq(id->recv_cq, 1, wc); + if (ret) + break; + + ret = ibv_req_notify_cq(id->recv_cq, 0); + if (ret) + return rdma_seterrno(ret); + + ret = ibv_poll_cq(id->recv_cq, 1, wc); + if (ret) + break; + + ret = ibv_get_cq_event(id->recv_cq_channel, &cq, &context); + if (ret) + return ret; + + assert(cq == id->recv_cq && context == id); + ibv_ack_cq_events(id->recv_cq, 1); + } while (1); + + return (ret < 0) ? rdma_seterrno(ret) : ret; +} + +#ifdef __cplusplus +} +#endif + +#endif /* RDMA_CMA_H */ Index: contrib/ofed/librdmacm/librdmacm.spec =================================================================== --- contrib/ofed/librdmacm/librdmacm.spec +++ /dev/null @@ -1,75 +0,0 @@ -%define ver 1.0.11 - -Name: librdmacm -Version: 1.0.11 -Release: 1%{?dist} -Summary: Userspace RDMA Connection Manager - -Group: System Environment/Libraries -License: GPLv2 or BSD -Url: http://www.openfabrics.org/ -Source: http://www.openfabrics.org/downloads/rdmacm/%{name}-%{version}.tar.gz -BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n) - -BuildRequires: libibverbs-devel >= 1.1-1 - -%description -librdmacm provides a userspace RDMA Communication Managment API. - -%package devel -Summary: Development files for the librdmacm library -Group: System Environment/Libraries -Requires: %{name} = %{version}-%{release} %{_includedir}/infiniband/verbs.h - -%description devel -Development files for the librdmacm library. - -%package utils -Summary: Examples for the librdmacm library -Group: System Environment/Libraries -Requires: %{name} = %{version}-%{release} - -%description utils -Example test programs for the librdmacm library. - -%prep -%setup -q -n %{name}-%{ver} - -%build -%configure -make %{?_smp_mflags} - -%install -rm -rf $RPM_BUILD_ROOT -%makeinstall -# remove unpackaged files from the buildroot -rm -f $RPM_BUILD_ROOT%{_libdir}/*.la - -%clean -rm -rf $RPM_BUILD_ROOT - -%post -p /sbin/ldconfig -%postun -p /sbin/ldconfig - -%files -%defattr(-,root,root,-) -%{_libdir}/librdmacm*.so.* -%doc AUTHORS COPYING README - -%files devel -%defattr(-,root,root) -%{_libdir}/lib*.so -%{_libdir}/*.a -%{_includedir}/* -%{_mandir}/man3/* -%{_mandir}/man7/* - -%files utils -%defattr(-,root,root,-) -%{_bindir}/* -%{_mandir}/man1/* - -%changelog - -* Fri Feb 15 2008 Roland Dreier - 1.0.6-1 -- Initial Fedora spec file Index: contrib/ofed/librdmacm/librdmacm.spec.in =================================================================== --- contrib/ofed/librdmacm/librdmacm.spec.in +++ contrib/ofed/librdmacm/librdmacm.spec.in @@ -1,7 +1,17 @@ %define ver @VERSION@ +%{!?configure_options: %define configure_options %{nil}} +%{!?_with_valgrind: %define _with_valgrind 0} +%{!?_disable_valgrind: %define _disable_valgrind 0} + +%if 0%{?rhel} == 6 +%if 0%{_disable_valgrind} == 0 +%define _with_valgrind 1 +%endif +%endif + Name: librdmacm -Version: 1.0.11 +Version: 1.0.21mlnx Release: 1%{?dist} Summary: Userspace RDMA Connection Manager @@ -12,6 +22,9 @@ BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n) BuildRequires: libibverbs-devel >= 1.1-1 +%if %{_with_valgrind} +BuildRequires: valgrind-devel +%endif %description librdmacm provides a userspace RDMA Communication Managment API. @@ -36,14 +49,28 @@ %setup -q -n %{name}-%{ver} %build -%configure +%if %{_with_valgrind} +%configure %{configure_options} --libdir=%{_libdir}/mlnx_ofed/valgrind --with-valgrind +make %{?_smp_mflags} +make DESTDIR=$RPM_BUILD_DIR/%{name}-%{version}/valgrind install +rm -f $RPM_BUILD_DIR/%{name}-%{version}/valgrind/%{_libdir}/mlnx_ofed/valgrind/*.*a +rm -f $RPM_BUILD_DIR/%{name}-%{version}/valgrind/%{_libdir}/mlnx_ofed/valgrind/rsocket/*.*a +make clean +%endif + +%configure %{configure_options} make %{?_smp_mflags} %install rm -rf $RPM_BUILD_ROOT %makeinstall +%if %{_with_valgrind} +mkdir -p %{buildroot}/%{_libdir}/mlnx_ofed +cp -a $RPM_BUILD_DIR/%{name}-%{version}/valgrind/%{_libdir}/mlnx_ofed/valgrind %{buildroot}/%{_libdir}/mlnx_ofed +%endif # remove unpackaged files from the buildroot rm -f $RPM_BUILD_ROOT%{_libdir}/*.la +rm -f $RPM_BUILD_ROOT%{_libdir}/rsocket/*.la %clean rm -rf $RPM_BUILD_ROOT @@ -53,13 +80,24 @@ %files %defattr(-,root,root,-) -%{_libdir}/librdmacm*.so.* +%{_libdir}/lib*.so.* +%{_libdir}/rsocket/lib*.so.* +%if %{_with_valgrind} +%{_libdir}/mlnx_ofed/valgrind/lib*.so.* +%{_libdir}/mlnx_ofed/valgrind/rsocket/lib*.so.* +%endif %doc AUTHORS COPYING README %files devel %defattr(-,root,root) -%{_libdir}/lib*.so +%{_libdir}/librdmacm*.so +%{_libdir}/rsocket/librspreload*.so %{_libdir}/*.a +%{_libdir}/rsocket/*.a +%if %{_with_valgrind} +%{_libdir}/mlnx_ofed/valgrind/lib*.so +%{_libdir}/mlnx_ofed/valgrind/rsocket/lib*.so +%endif %{_includedir}/* %{_mandir}/man3/* %{_mandir}/man7/* Index: contrib/ofed/librdmacm/man/rdma_accept.3 =================================================================== --- contrib/ofed/librdmacm/man/rdma_accept.3 +++ contrib/ofed/librdmacm/man/rdma_accept.3 @@ -1,4 +1,4 @@ -.TH "RDMA_ACCEPT" 3 "2007-10-31" "librdmacm" "Librdmacm Programmer's Manual" librdmacm +.TH "RDMA_ACCEPT" 3 "2014-05-27" "librdmacm" "Librdmacm Programmer's Manual" librdmacm .SH NAME rdma_accept \- Called to accept a connection request. .SH SYNOPSIS @@ -16,6 +16,9 @@ .SH "DESCRIPTION" Called from the listening side to accept a connection or datagram service lookup request. +.SH "RETURN VALUE" +Returns 0 on success, or -1 on error. If an error occurs, errno will be +set to indicate the failure reason. .SH "NOTES" Unlike the socket accept routine, rdma_accept is not called on a listening rdma_cm_id. Instead, after calling rdma_listen, the user @@ -32,6 +35,9 @@ the connection event directly, or can reference their own structure. If the rdma_conn_param structure from an event is referenced, the event must not be acked until after this call returns. +.P +If the conn_param parameter is NULL, the values reported in the connection +request event are used, adjusted down based on local hardware restrictions. .IP private_data References a user-controlled data buffer. The contents of the buffer are copied and transparently passed to the remote side as part of the @@ -44,8 +50,8 @@ The maximum number of outstanding RDMA read and atomic operations that the local side will accept from the remote side. Applies only to RDMA_PS_TCP. This value must be less than or equal to the local RDMA device attribute -max_qp_rd_atom and the responder_resources value reported in the connect -request event. +max_qp_rd_atom, but preferably greater than or equal to the responder_resources +value reported in the connect request event. .IP initiator_depth The maximum number of outstanding RDMA read and atomic operations that the local side will have to the remote side. Applies only to RDMA_PS_TCP. @@ -81,5 +87,8 @@ the locally used HCA. .P The RNR retry count is a 3-bit value. +.P +The length of the private data provided by the user is limited to 196 bytes +for RDMA_PS_TCP, or 136 bytes for RDMA_PS_UDP. .SH "SEE ALSO" rdma_listen(3), rdma_reject(3), rdma_get_cm_event(3) Index: contrib/ofed/librdmacm/man/rdma_ack_cm_event.3 =================================================================== --- contrib/ofed/librdmacm/man/rdma_ack_cm_event.3 +++ contrib/ofed/librdmacm/man/rdma_ack_cm_event.3 @@ -14,5 +14,8 @@ there should be a one-to-one correspondence between successful gets and acks. This call frees the event structure and any memory that it references. +.SH "RETURN VALUE" +Returns 0 on success, or -1 on error. If an error occurs, errno will be +set to indicate the failure reason. .SH "SEE ALSO" rdma_get_cm_event(3), rdma_destroy_id(3) Index: contrib/ofed/librdmacm/man/rdma_bind_addr.3 =================================================================== --- contrib/ofed/librdmacm/man/rdma_bind_addr.3 +++ contrib/ofed/librdmacm/man/rdma_bind_addr.3 @@ -16,6 +16,9 @@ Associates a source address with an rdma_cm_id. The address may be wildcarded. If binding to a specific local address, the rdma_cm_id will also be bound to a local RDMA device. +.SH "RETURN VALUE" +Returns 0 on success, or -1 on error. If an error occurs, errno will be +set to indicate the failure reason. .SH "NOTES" Typically, this routine is called before calling rdma_listen to bind to a specific port number, but it may also be called on the active side Index: contrib/ofed/librdmacm/man/rdma_cm.7 =================================================================== --- contrib/ofed/librdmacm/man/rdma_cm.7 +++ contrib/ofed/librdmacm/man/rdma_cm.7 @@ -1,4 +1,4 @@ -.TH "RDMA_CM" 7 "2008-01-02" "librdmacm" "Librdmacm Programmer's Manual" librdmacm +.TH "RDMA_CM" 7 "2010-07-19" "librdmacm" "Librdmacm Programmer's Manual" librdmacm .SH NAME rdma_cm \- RDMA communication manager. .SH SYNOPSIS @@ -8,17 +8,70 @@ .SH "NOTES" The RDMA CM is a communication manager used to setup reliable, connected and unreliable datagram data transfers. It provides an RDMA transport -neutral interface for establishing connections. The API is based on sockets, -but adapted for queue pair (QP) based semantics: communication must be -over a specific RDMA device, and data transfers are message based. +neutral interface for establishing connections. The API concepts are +based on sockets, but adapted for queue pair (QP) based semantics: +communication must be over a specific RDMA device, and data transfers +are message based. .P -The RDMA CM only provides the communication management (connection setup / -teardown) portion of an RDMA API. It works in conjunction with the verbs +The RDMA CM can control both the QP and communication management (connection setup / +teardown) portions of an RDMA API, or only the communication management +piece. It works in conjunction with the verbs API defined by the libibverbs library. The libibverbs library provides the -interfaces needed to send and receive data. +underlying interfaces needed to send and receive data. +.P +The RDMA CM can operate asynchronously or synchronously. The mode of +operation is controlled by the user through the use of the rdma_cm event channel +parameter in specific calls. If an event channel is provided, an rdma_cm identifier +will report its event data (results of connecting, for example), on that channel. +If a channel is not provided, then all rdma_cm operations for the selected +rdma_cm identifier will block until they complete. +.SH "RDMA VERBS" +The rdma_cm supports the full range of verbs available through the libibverbs +library and interfaces. However, it also provides wrapper functions for some +of the more commonly used verbs funcationality. The full set of abstracted +verb calls are: +.P +rdma_reg_msgs - register an array of buffers for sending and receiving +.P +rdma_reg_read - registers a buffer for RDMA read operations +.P +rdma_reg_write - registers a buffer for RDMA write operations +.P +rdma_dereg_mr - deregisters a memory region +.P +rdma_post_recv - post a buffer to receive a message +.P +rdma_post_send - post a buffer to send a message +.P +rdma_post_read - post an RDMA to read data into a buffer +.P +rdma_post_write - post an RDMA to send data from a buffer +.P +rdma_post_recvv - post a vector of buffers to receive a message +.P +rdma_post_sendv - post a vector of buffers to send a message +.P +rdma_post_readv - post a vector of buffers to receive an RDMA read +.P +rdma_post_writev - post a vector of buffers to send an RDMA write +.P +rdma_post_ud_send - post a buffer to send a message on a UD QP +.P +rdma_get_send_comp - get completion status for a send or RDMA operation +.P +rdma_get_recv_comp - get information about a completed receive .SH "CLIENT OPERATION" This section provides a general overview of the basic operation for the active, -or client, side of communication. A general connection flow would be: +or client, side of communication. This flow assume asynchronous operation with +low level call details shown. For +synchronous operation, calls to rdma_create_event_channel, rdma_get_cm_event, +rdma_ack_cm_event, and rdma_destroy_event_channel +would be eliminated. Abstracted calls, such as rdma_create_ep encapsulate +serveral of these calls under a single API. +Users may also refer to the example applications for +code samples. A general connection flow would be: +.IP rdma_getaddrinfo +retrieve address information of the destination .IP rdma_create_event_channel create channel to receive events .IP rdma_create_id @@ -109,7 +162,7 @@ .IP "= -1" error - see errno for more details .P -Librdmacm functions return 0 to indicate success, and a -1 return value +Most librdmacm functions return 0 to indicate success, and a -1 return value to indicate failure. If a function operates asynchronously, a return value of 0 means that the operation was successfully started. The operation could still complete in error; users should check the status of the related event. If the @@ -121,12 +174,56 @@ that want to check these codes and have compatability with prior library versions must manually set errno to the negative of the return code if it is < -1. .SH "SEE ALSO" -rdma_create_event_channel(3), rdma_get_cm_event(3), rdma_create_id(3), -rdma_resolve_addr(3), rdma_bind_addr(3), rdma_create_qp(3), -rdma_resolve_route(3), rdma_connect(3), rdma_listen(3), rdma_accept(3), -rdma_reject(3), rdma_join_multicast(3), rdma_leave_multicast(3), rdma_notify(3), -rdma_ack_cm_event(3), rdma_disconnect(3), rdma_destroy_qp(3), rdma_destroy_id(3), -rdma_destroy_event_channel(3), rdma_get_devices(3), rdma_free_devices(3), -rdma_get_peer_addr(3), rdma_get_local_addr(3), -rdma_get_dst_port(3), rdma_get_src_port(3), rdma_set_option(3) -ucmatose(1), udaddy(1), mckey(1), rping(1) +rdma_accept(3), +rdma_ack_cm_event(3), +rdma_bind_addr(3), +rdma_connect(3), +rdma_create_ep(3), +rdma_create_event_channel(3), +rdma_create_id(3), +rdma_create_qp(3), +rdma_dereg_mr(3), +rdma_destroy_ep(3), +rdma_destroy_event_channel(3), +rdma_destroy_id(3), +rdma_destroy_qp(3), +rdma_disconnect(3), +rdma_event_str(3), +rdma_free_devices(3), +rdma_getaddrinfo(3), +rdma_get_cm_event(3), +rdma_get_devices(3), +rdma_get_dst_port(3), +rdma_get_local_addr(3), +rdma_get_peer_addr(3), +rdma_get_recv_comp(3), +rdma_get_request(3), +rdma_get_send_comp(3), +rdma_get_src_port(3), +rdma_join_multicast(3), +rdma_leave_multicast(3), +rdma_listen(3), +rdma_migrate_id(3), +rdma_notify(3), +rdma_post_read(3) +rdma_post_readv(3), +rdma_post_recv(3), +rdma_post_recvv(3), +rdma_post_send(3), +rdma_post_sendv(3), +rdma_post_ud_send(3), +rdma_post_write(3), +rdma_post_writev(3), +rdma_reg_msgs(3), +rdma_reg_read(3), +rdma_reg_write(3), +rdma_reject(3), +rdma_resolve_addr(3), +rdma_resolve_route(3), +rdma_set_option(3) +mckey(1), +rdma_client(1), +rdma_server(1), +rping(1), +ucmatose(1), +udaddy(1) Index: contrib/ofed/librdmacm/man/rdma_connect.3 =================================================================== --- contrib/ofed/librdmacm/man/rdma_connect.3 +++ contrib/ofed/librdmacm/man/rdma_connect.3 @@ -1,4 +1,4 @@ -.TH "RDMA_CONNECT" 3 "2007-10-31" "librdmacm" "Librdmacm Programmer's Manual" librdmacm +.TH "RDMA_CONNECT" 3 "2010-07-19" "librdmacm" "Librdmacm Programmer's Manual" librdmacm .SH NAME rdma_connect \- Initiate an active connection request. .SH SYNOPSIS @@ -16,9 +16,13 @@ For an rdma_cm_id of type RDMA_PS_TCP, this call initiates a connection request to a remote destination. For an rdma_cm_id of type RDMA_PS_UDP, it initiates a lookup of the remote QP providing the datagram service. +.SH "RETURN VALUE" +Returns 0 on success, or -1 on error. If an error occurs, errno will be +set to indicate the failure reason. .SH "NOTES" Users must have resolved a route to the destination address -by having called rdma_resolve_route before calling this routine. +by having called rdma_resolve_route or rdma_create_ep before calling +this routine. .SH "CONNECTION PROPERTIES" The following properties are used to configure the communication and specified by the conn_param parameter when connecting or establishing datagram @@ -75,6 +79,9 @@ The HCA ACK delay is a property of the locally used HCA. .P Retry count and RNR retry count values are 3-bit values. +.P +The length of the private data provided by the user is limited to 56 bytes +for RDMA_PS_TCP, or 180 bytes for RDMA_PS_UDP. .SH "IWARP SPECIFIC" Connections established over iWarp RDMA devices currently require that the active side of the connection send the first message. Index: contrib/ofed/librdmacm/man/rdma_create_ep.3 =================================================================== --- /dev/null +++ contrib/ofed/librdmacm/man/rdma_create_ep.3 @@ -0,0 +1,60 @@ +.TH "RDMA_CREATE_EP" 3 "2010-07-19" "librdmacm" "Librdmacm Programmer's Manual" librdmacm +.SH NAME +rdma_create_ep \- Allocate a communication identifier and optional QP. +.SH SYNOPSIS +.B "#include " +.P +.B "int" rdma_create_ep +.BI "(struct rdma_cm_id **" id "," +.BI "struct rdma_addrinfo *" res "," +.BI "struct ibv_pd *" pd "," +.BI "struct ibv_qp_init_attr *" qp_init_attr ");" +.SH ARGUMENTS +.IP "id" 12 +A reference where the allocated communication identifier will be +returned. +.IP "res" 12 +Address information associated with the rdma_cm_id returned from +rdma_getaddrinfo. +.IP "pd" 12 +Optional protection domain if a QP is associated with the rdma_cm_id. +.IP "qp_init_attr" 12 +Optional initial QP attributes. +.SH "DESCRIPTION" +Creates an identifier that is used to track communication information. +.SH "RETURN VALUE" +Returns 0 on success, or -1 on error. If an error occurs, errno will be +set to indicate the failure reason. +.SH "NOTES" +After resolving address information using rdma_getaddrinfo, a user +may use this call to allocate an rdma_cm_id based on the results. +.P +If the rdma_cm_id will be used on the active side of a connection, +meaning that res->ai_flag does not have RAI_PASSIVE set, rdma_create_ep +will automatically create a QP on the rdma_cm_id if qp_init_attr is +not NULL. The QP will be associated with the specified protection +domain, if provided, or a default protection domain if not. Users +should see rdma_create_qp for details on the use of the pd and +qp_init_attr parameters. After calling rdma_create_ep, the returned +rdma_cm_id may be connected by calling rdma_connect. The active side +calls rdma_resolve_addr and rdma_resolve_route are not necessary. +.P +If the rdma_cm_id will be used on the passive side of a connection, +indicated by having res->ai_flag RAI_PASSIVE set, this call will save +the provided pd and qp_init_attr parameters. When a new connection +request is retrieved by calling rdma_get_request, the rdma_cm_id +associated with the new connection will automatically be associated +with a QP using the pd and qp_init_attr parameters. After calling +rdma_create_ep, the returned rdma_cm_id may be placed into a listening +state by immediately calling rdma_listen. The passive side call +rdma_bind_addr is not necessary. Connection requests may then be +retrieved by calling rdma_get_request. +.P +The newly created rdma_cm_id will be set to use synchronous operation. +Users that wish asynchronous operation must migrate the rdma_cm_id +to a user created event channel using rdma_migrate_id. +.P +Users must release the created rdma_cm_id by calling rdma_destroy_ep. +.SH "SEE ALSO" +rdma_cm(7), rdma_getaddrinfo(3), rdma_create_event_channel(3), +rdma_connect(3), rdma_listen(3), rdma_destroy_ep(3), rdma_migrate_id(3) Index: contrib/ofed/librdmacm/man/rdma_create_event_channel.3 =================================================================== --- contrib/ofed/librdmacm/man/rdma_create_event_channel.3 +++ contrib/ofed/librdmacm/man/rdma_create_event_channel.3 @@ -11,6 +11,9 @@ no arguments .SH "DESCRIPTION" Asynchronous events are reported to users through event channels. +.SH "RETURN VALUE" +Returns a pointer to the created event channel, or NULL if the request +fails. On failure, errno will be set to indicate the failure reason. .SH "NOTES" Event channels are used to direct all events on an rdma_cm_id. For many clients, a single event channel may be sufficient, however, when managing Index: contrib/ofed/librdmacm/man/rdma_create_id.3 =================================================================== --- contrib/ofed/librdmacm/man/rdma_create_id.3 +++ contrib/ofed/librdmacm/man/rdma_create_id.3 @@ -1,4 +1,4 @@ -.TH "RDMA_CREATE_ID" 3 "2007-08-06" "librdmacm" "Librdmacm Programmer's Manual" librdmacm +.TH "RDMA_CREATE_ID" 3 "2010-07-19" "librdmacm" "Librdmacm Programmer's Manual" librdmacm .SH NAME rdma_create_id \- Allocate a communication identifier. .SH SYNOPSIS @@ -12,7 +12,7 @@ .SH ARGUMENTS .IP "channel" 12 The communication channel that events associated with the -allocated rdma_cm_id will be reported on. +allocated rdma_cm_id will be reported on. This may be NULL. .IP "id" 12 A reference where the allocated communication identifier will be returned. @@ -22,13 +22,22 @@ RDMA port space. .SH "DESCRIPTION" Creates an identifier that is used to track communication information. +.SH "RETURN VALUE" +Returns 0 on success, or -1 on error. If an error occurs, errno will be +set to indicate the failure reason. .SH "NOTES" Rdma_cm_id's are conceptually equivalent to a socket for RDMA communication. The difference is that RDMA communication requires explicitly binding to a specified RDMA device before communication -can occur, and most operations are asynchronous in nature. Communication -events on an rdma_cm_id are reported through the associated event -channel. Users must release the rdma_cm_id by calling rdma_destroy_id. +can occur, and most operations are asynchronous in nature. Asynchronous +communication events on an rdma_cm_id are reported through the associated +event channel. If the channel parameter is NULL, the rdma_cm_id will +be placed into synchronous operation. While operating synchronously, +calls that result in an event will block until the operation completes. +The event will be returned to the user through the rdma_cm_id structure, +and be available for access until another rdma_cm call is made. +.P +Users must release the rdma_cm_id by calling rdma_destroy_id. .SH "PORT SPACE" Details of the services provided by the different port spaces are outlined below. @@ -38,6 +47,8 @@ .IP RDMA_PS_UDP Provides unreliable, connectionless QP communication. Supports both datagram and multicast communication. +.IP RDMA_PS_IB +Provides for any IB services (UD, UC, RC, XRC, etc.). .SH "SEE ALSO" rdma_cm(7), rdma_create_event_channel(3), rdma_destroy_id(3), rdma_get_devices(3), rdma_bind_addr(3), rdma_resolve_addr(3), rdma_connect(3), rdma_listen(3), Index: contrib/ofed/librdmacm/man/rdma_create_qp.3 =================================================================== --- contrib/ofed/librdmacm/man/rdma_create_qp.3 +++ contrib/ofed/librdmacm/man/rdma_create_qp.3 @@ -12,12 +12,15 @@ .IP "id" 12 RDMA identifier. .IP "pd" 12 -protection domain for the QP. +Optional protection domain for the QP. .IP "qp_init_attr" 12 -initial QP attributes. +Initial QP attributes. .SH "DESCRIPTION" Allocate a QP associated with the specified rdma_cm_id and transition it for sending and receiving. +.SH "RETURN VALUE" +Returns 0 on success, or -1 on error. If an error occurs, errno will be +set to indicate the failure reason. .SH "NOTES" The rdma_cm_id must be bound to a local RDMA device before calling this function, and the protection domain must be for that same device. @@ -25,6 +28,21 @@ librdmacm through their states. After being allocated, the QP will be ready to handle posting of receives. If the QP is unconnected, it will be ready to post sends. +.P +If a protection domain is not given - pd parameter is NULL - then +the rdma_cm_id will be created using a default protection domain. One +default protection domain is allocated per RDMA device. +.P +The initial QP attributes are specified by the qp_init_attr parameter. The +send_cq and recv_cq fields in the ibv_qp_init_attr are optional. If +a send or receive completion queue is not specified, then a CQ will be +allocated by the rdma_cm for the QP, along with corresponding completion +channels. Completion channels and CQ data created by the rdma_cm are +exposed to the user through the rdma_cm_id structure. +.P +The actual capabilities and properties of the created QP will be +returned to the user through the qp_init_attr parameter. An rdma_cm_id +may only be associated with a single QP. .SH "SEE ALSO" rdma_bind_addr(3), rdma_resolve_addr(3), rdma_destroy_qp(3), ibv_create_qp(3), ibv_modify_qp(3) Index: contrib/ofed/librdmacm/man/rdma_create_srq.3 =================================================================== --- /dev/null +++ contrib/ofed/librdmacm/man/rdma_create_srq.3 @@ -0,0 +1,44 @@ +.TH "RDMA_CREATE_SRQ" 3 "2011-06-15" "librdmacm" "Librdmacm Programmer's Manual" librdmacm +.SH NAME +rdma_create_srq \- Allocate a shared receive queue. +.SH SYNOPSIS +.B "#include " +.P +.B "int" rdma_create_srq +.BI "(struct rdma_cm_id *" id "," +.BI "struct ibv_pd *" pd "," +.BI "struct ibv_srq_init_attr *" attr ");" +.SH ARGUMENTS +.IP "id" 12 +RDMA identifier. +.IP "pd" 12 +Optional protection domain for the SRQ. +.IP "attr" 12 +Initial SRQ attributes. +.SH "DESCRIPTION" +Allocate a SRQ associated with the specified rdma_cm_id. +.SH "RETURN VALUE" +Returns 0 on success, or -1 on error. If an error occurs, errno will be +set to indicate the failure reason. +.SH "NOTES" +The rdma_cm_id must be bound to a local RDMA device before calling this +function, and the protection domain, if provided, must be for that same device. +After being allocated, the SRQ will be ready to handle posting of receives. +.P +If a protection domain is not given - pd parameter is NULL - then +the rdma_cm_id will be created using a default protection domain. One +default protection domain is allocated per RDMA device. +.P +The initial SRQ attributes are specified by the attr parameter. The +ext.xrc.cq fields in the ibv_srq_init_attr is optional. If +a completion queue is not specified for an XRC SRQ, then a CQ will be +allocated by the rdma_cm for the SRQ, along with corresponding completion +channels. Completion channels and CQ data created by the rdma_cm are +exposed to the user through the rdma_cm_id structure. +.P +The actual capabilities and properties of the created SRQ will be +returned to the user through the attr parameter. An rdma_cm_id +may only be associated with a single SRQ. +.SH "SEE ALSO" +rdma_bind_addr(3), rdma_resolve_addr(3), rdma_create_ep(3), +rdma_destroy_srq(3), ibv_create_srq(3), ibv_create_xsrq(3) Index: contrib/ofed/librdmacm/man/rdma_dereg_mr.3 =================================================================== --- /dev/null +++ contrib/ofed/librdmacm/man/rdma_dereg_mr.3 @@ -0,0 +1,28 @@ +.TH "RDMA_DEREG_MR" 3 "2010-07-19" "librdmacm" "Librdmacm Programmer's Manual" librdmacm +.SH NAME +rdma_dereg_mr \- deregisters a registered memory region. +.SH SYNOPSIS +.B "#include " +.P +.B "struct ibv_mr *" rdma_dereg_mr +.BI "(struct ibv_mr *" mr ");" +.SH ARGUMENTS +.IP "mr" 12 +A reference to a registered memory buffer. +.SH "DESCRIPTION" +Deregisters a memory buffer that had been registered for RDMA +or message operations. A user should call rdma_dereg_mr for all +registered memory associated with an rdma_cm_id before destroying +the rdma_cm_id. +.SH "RETURN VALUE" +Returns 0 on success, or -1 on error. If an error occurs, errno will be +set to indicate the failure reason. +.SH "NOTES" +All memory registered with an rdma_cm_id is associated with the +protection domain associated with the id. Users must deregister +all registered memory before the protection domain can be destroyed. +.SH "SEE ALSO" +rdma_cm(7), rdma_create_id(3), rdma_create_ep(3), +rdma_destroy_id(3), rdma_destroy_ep(3), +rdma_reg_msgs(3), rdma_reg_read(3), rdma_reg_write(3), +ibv_reg_mr(3), ibv_dereg_mr(3) Index: contrib/ofed/librdmacm/man/rdma_destroy_ep.3 =================================================================== --- /dev/null +++ contrib/ofed/librdmacm/man/rdma_destroy_ep.3 @@ -0,0 +1,19 @@ + +.TH "RDMA_DESTROY_EP" 3 "2011-06-15" "librdmacm" "Librdmacm Programmer's Manual" librdmacm +.SH NAME +rdma_destroy_ep \- Release a communication identifier. +.SH SYNOPSIS +.B "#include " +.P +.B "void" rdma_destroy_ep +.BI "(struct rdma_cm_id *" id ");" +.SH ARGUMENTS +.IP "id" 12 +The communication identifier to destroy. +.SH "DESCRIPTION" +Destroys the specified rdma_cm_id and all associated resources +.SH "NOTES" +rdma_destroy_ep will automatically destroy any QP and SRQ associated with +the rdma_cm_id. +.SH "SEE ALSO" +rdma_create_ep(3) Index: contrib/ofed/librdmacm/man/rdma_destroy_event_channel.3 =================================================================== --- contrib/ofed/librdmacm/man/rdma_destroy_event_channel.3 +++ contrib/ofed/librdmacm/man/rdma_destroy_event_channel.3 @@ -12,6 +12,8 @@ .SH "DESCRIPTION" Release all resources associated with an event channel and closes the associated file descriptor. +.SH "RETURN VALUE" +None .SH "NOTES" All rdma_cm_id's associated with the event channel must be destroyed, and all returned events must be acked before calling this function. Index: contrib/ofed/librdmacm/man/rdma_destroy_id.3 =================================================================== --- contrib/ofed/librdmacm/man/rdma_destroy_id.3 +++ contrib/ofed/librdmacm/man/rdma_destroy_id.3 @@ -1,4 +1,4 @@ -.TH "RDMA_DESTROY_ID" 3 "2007-05-15" "librdmacm" "Librdmacm Programmer's Manual" librdmacm +.TH "RDMA_DESTROY_ID" 3 "2010-07-19" "librdmacm" "Librdmacm Programmer's Manual" librdmacm .SH NAME rdma_destroy_id \- Release a communication identifier. .SH SYNOPSIS @@ -12,8 +12,11 @@ .SH "DESCRIPTION" Destroys the specified rdma_cm_id and cancels any outstanding asynchronous operation. +.SH "RETURN VALUE" +Returns 0 on success, or -1 on error. If an error occurs, errno will be +set to indicate the failure reason. .SH "NOTES" Users must free any associated QP with the rdma_cm_id before -calling this routine and ack an related events. +calling this routine and ack all related events. .SH "SEE ALSO" rdma_create_id(3), rdma_destroy_qp(3), rdma_ack_cm_event(3) Index: contrib/ofed/librdmacm/man/rdma_destroy_srq.3 =================================================================== --- /dev/null +++ contrib/ofed/librdmacm/man/rdma_destroy_srq.3 @@ -0,0 +1,21 @@ +.TH "RDMA_DESTROY_SRQ" 3 "2011-06-15" "librdmacm" "Librdmacm Programmer's Manual" librdmacm +.SH NAME +rdma_destroy_srq \- Deallocate a SRQ. +.SH SYNOPSIS +.B "#include " +.P +.B "void" rdma_destroy_srq +.BI "(struct rdma_cm_id *" id ");" +.SH ARGUMENTS +.IP "id" 12 +RDMA identifier. +.SH "DESCRIPTION" +Destroy an SRQ allocated on the rdma_cm_id. +.SH "RETURN VALUE" +Returns 0 on success, or -1 on error. If an error occurs, errno will be +set to indicate the failure reason. +.SH "NOTES" +Users should destroy any SRQ associated with an rdma_cm_id before +destroying the ID. +.SH "SEE ALSO" +rdma_create_srq(3), rdma_destroy_id(3), ibv_destroy_srq(3) Index: contrib/ofed/librdmacm/man/rdma_disconnect.3 =================================================================== --- contrib/ofed/librdmacm/man/rdma_disconnect.3 +++ contrib/ofed/librdmacm/man/rdma_disconnect.3 @@ -12,8 +12,11 @@ .SH "DESCRIPTION" Disconnects a connection and transitions any associated QP to the error state, which will flush any posted work requests to the completion queue. This -routine may be called by both the client and server side of a connection. +routine should be called by both the client and server side of a connection. After successfully disconnecting, an RDMA_CM_EVENT_DISCONNECTED event will be generated on both sides of the connection. +.SH "RETURN VALUE" +Returns 0 on success, or -1 on error. If an error occurs, errno will be +set to indicate the failure reason. .SH "SEE ALSO" rdma_connect(3), rdma_listen(3), rdma_accept(3), rdma_get_cm_event(3) Index: contrib/ofed/librdmacm/man/rdma_event_str.3 =================================================================== --- contrib/ofed/librdmacm/man/rdma_event_str.3 +++ contrib/ofed/librdmacm/man/rdma_event_str.3 @@ -11,5 +11,7 @@ Asynchronous event. .SH "DESCRIPTION" Returns a string representation of an asynchronous event. +.SH "RETURN VALUE" +Returns a pointer to a static character string corresponding to the event. .SH "SEE ALSO" rdma_get_cm_event(3) Index: contrib/ofed/librdmacm/man/rdma_free_devices.3 =================================================================== --- contrib/ofed/librdmacm/man/rdma_free_devices.3 +++ contrib/ofed/librdmacm/man/rdma_free_devices.3 @@ -11,5 +11,7 @@ List of devices returned from rdma_get_devices. .SH "DESCRIPTION" Frees the device array returned by rdma_get_devices. +.SH "RETURN VALUE" +None .SH "SEE ALSO" rdma_get_devices(3) Index: contrib/ofed/librdmacm/man/rdma_get_cm_event.3 =================================================================== --- contrib/ofed/librdmacm/man/rdma_get_cm_event.3 +++ contrib/ofed/librdmacm/man/rdma_get_cm_event.3 @@ -15,6 +15,9 @@ .SH "DESCRIPTION" Retrieves a communication event. If no events are pending, by default, the call will block until an event is received. +.SH "RETURN VALUE" +Returns 0 on success, or -1 on error. If an error occurs, errno will be +set to indicate the failure reason. .SH "NOTES" The default synchronous behavior of this routine can be changed by modifying the file descriptor associated with the given channel. All @@ -38,7 +41,10 @@ below. .IP "status" 12 Returns any asynchronous error information associated with an event. The -status is zero unless the corresponding operation failed. +status is zero if the operation was successful, otherwise the status value +is non-zero and is either set to an errno or a transport specific value. +For details on transport specific status values, see the event type information +below. .IP "param" 12 Provides additional details based on the type of event. Users should select the conn or ud subfields based on the rdma_port_space of the @@ -123,10 +129,15 @@ May be generated on the active or passive side of a connection. .IP RDMA_CM_EVENT_UNREACHABLE Generated on the active side to notify the user that the remote server is -not reachable or unable to respond to a connection request. +not reachable or unable to respond to a connection request. If this event +is generated in response to a UD QP resolution request over InfiniBand, +the event status field will contain an errno, if negative, or the status +result carried in the IB CM SIDR REP message. .IP RDMA_CM_EVENT_REJECTED Indicates that a connection request or response was rejected by the remote -end point. +end point. The event status field will contain the transport specific +reject reason if available. Under InfiniBand, this is the reject reason +carried in the IB CM REJ message. .IP RDMA_CM_EVENT_ESTABLISHED Indicates that a connection has been established with the remote end point. .IP RDMA_CM_EVENT_DISCONNECTED Index: contrib/ofed/librdmacm/man/rdma_get_devices.3 =================================================================== --- contrib/ofed/librdmacm/man/rdma_get_devices.3 +++ contrib/ofed/librdmacm/man/rdma_get_devices.3 @@ -13,6 +13,9 @@ Return a NULL-terminated array of opened RDMA devices. Callers can use this routine to allocate resources on specific RDMA devices that will be shared across multiple rdma_cm_id's. +.SH "RETURN VALUE" +Returns an array of available RDMA devices, or NULL if the request +fails. On failure, errno will be set to indicate the failure reason. .SH "NOTES" The returned array must be released by calling rdma_free_devices. Devices remain opened while the librdmacm is loaded. Index: contrib/ofed/librdmacm/man/rdma_get_dst_port.3 =================================================================== --- contrib/ofed/librdmacm/man/rdma_get_dst_port.3 +++ contrib/ofed/librdmacm/man/rdma_get_dst_port.3 @@ -12,6 +12,9 @@ .SH "DESCRIPTION" Returns the remote port number for an rdma_cm_id that has been bound to a remote address. +.SH "RETURN VALUE" +Returns the 16-bit port identifier associated with the peer endpoint. If +the rdma_cm_id is not connected, the returned value is 0. .SH "SEE ALSO" rdma_connect(3), rdma_accept(3), rdma_get_cm_event(3), rdma_get_src_port(3), rdma_get_local_addr(3), rdma_get_peer_addr(3) Index: contrib/ofed/librdmacm/man/rdma_get_local_addr.3 =================================================================== --- contrib/ofed/librdmacm/man/rdma_get_local_addr.3 +++ contrib/ofed/librdmacm/man/rdma_get_local_addr.3 @@ -12,6 +12,10 @@ .SH "DESCRIPTION" Returns the local IP address for an rdma_cm_id that has been bound to a local device. +.SH "RETURN VALUE" +Returns a pointer to the local sockaddr address of the rdma_cm_id. If +the rdma_cm_id is not bound to an address, the contents of the sockaddr +structure will be set to all zeroes. .SH "SEE ALSO" rdma_bind_addr(3), rdma_resolve_addr(3), rdma_get_src_port(3), rdma_get_dst_port(3), rdma_get_peer_addr(3) Index: contrib/ofed/librdmacm/man/rdma_get_peer_addr.3 =================================================================== --- contrib/ofed/librdmacm/man/rdma_get_peer_addr.3 +++ contrib/ofed/librdmacm/man/rdma_get_peer_addr.3 @@ -11,6 +11,10 @@ RDMA identifier. .SH "DESCRIPTION" Returns the remote IP address associated with an rdma_cm_id. +.SH "RETURN VALUE" +Returns a pointer to the sockaddr address of the connected peer. If +the rdma_cm_id is not connected, the contents of the sockaddr +structure will be set to all zeroes. .SH "SEE ALSO" rdma_resolve_addr(3), rdma_get_src_port(3), rdma_get_dst_port(3), rdma_get_local_addr(3) Index: contrib/ofed/librdmacm/man/rdma_get_recv_comp.3 =================================================================== --- /dev/null +++ contrib/ofed/librdmacm/man/rdma_get_recv_comp.3 @@ -0,0 +1,31 @@ +.TH "RDMA_GET_RECV_COMP" 3 "2010-07-19" "librdmacm" "Librdmacm Programmer's Manual" librdmacm +.SH NAME +rdma_get_recv_comp \- retrieves a completed receive request. +.SH SYNOPSIS +.B "#include " +.P +.B "int" rdma_get_recv_comp +.BI "(struct rdma_cm_id *" id "," +.BI "struct ibv_wc *" wc ");" +.SH ARGUMENTS +.IP "id" 12 +A reference to a communication identifier to check for completions. +.IP "wc" 12 +A reference to a work completion structure to fill in. +.SH "DESCRIPTION" +Retrieves a completed work request for a receive +operation. Information about the completed request is returned through +the wc parameter, with the wr_id set to the context of the request. For +details on the work completion structure, see ibv_poll_cq. +.SH "RETURN VALUE" +Returns the number of returned completions (0 or 1) on success, or -1 on error. +If an error occurs, errno will be set to indicate the failure reason. +.SH "NOTES" +This calls polls the receive completion queue associated with an rdma_cm_id. +If a completion is not found, the call blocks until a request completes. +This call should only be used on rdma_cm_id's that do not share CQs +with other rdma_cm_id's, and maintain separate CQs for sends and receive +completions. +.SH "SEE ALSO" +rdma_cm(7), ibv_poll_cq(3), rdma_get_send_comp(3), +rdma_post_send(3), rdma_post_read(3), rdma_post_write(3) Index: contrib/ofed/librdmacm/man/rdma_get_request.3 =================================================================== --- /dev/null +++ contrib/ofed/librdmacm/man/rdma_get_request.3 @@ -0,0 +1,34 @@ +.TH "RDMA_GET_REQUEST" 3 "2007-10-31" "librdmacm" "Librdmacm Programmer's Manual" librdmacm +.SH NAME +rdma_get_request \- Retrieves the next pending connection request event. +.SH SYNOPSIS +.B "#include " +.P +.B "int" rdma_get_request +.BI "(struct rdma_cm_id *" listen "," +.BI "struct rdma_cm_id **" id ");" +.SH ARGUMENTS +.IP "listen" 12 +Listening rdma_cm_id. +.IP "id" 12 +rdma_cm_id associated with the new connection. +.SH "DESCRIPTION" +Retrieves a connection request event. If no requests are pending, +the call will block until an event is received. +.SH "RETURN VALUE" +Returns 0 on success, or -1 on error. If an error occurs, errno will be +set to indicate the failure reason. +.SH "NOTES" +This call may only be used on listening rdma_cm_id's operating +synchronously. On success, a new rdma_cm_id representing the +connection request will be returned to the user. The new rdma_cm_id +will reference event information associated with the request until +the user calls rdma_reject, rdma_accept, or rdma_destroy_id on the +newly created identifier. For a description of the event data, +see rdma_get_cm_event. +.P +If QP attributes are associated with the listening endpoint, the +returned rdma_cm_id will also reference an allocated QP. +.SH "SEE ALSO" +rdma_get_cm_event(3), rdma_accept(3), rdma_reject(3), +rdma_connect(3), rdma_listen(3), rdma_destroy_id(3) Index: contrib/ofed/librdmacm/man/rdma_get_send_comp.3 =================================================================== --- /dev/null +++ contrib/ofed/librdmacm/man/rdma_get_send_comp.3 @@ -0,0 +1,31 @@ +.TH "RDMA_GET_SEND_COMP" 3 "2010-07-19" "librdmacm" "Librdmacm Programmer's Manual" librdmacm +.SH NAME +rdma_get_send_comp \- retrieves a completed send, read, or write request. +.SH SYNOPSIS +.B "#include " +.P +.B "int" rdma_get_send_comp +.BI "(struct rdma_cm_id *" id "," +.BI "struct ibv_wc *" wc ");" +.SH ARGUMENTS +.IP "id" 12 +A reference to a communication identifier to check for completions. +.IP "wc" 12 +A reference to a work completion structure to fill in. +.SH "DESCRIPTION" +Retrieves a completed work request for a send, RDMA read, or RDMA write +operation. Information about the completed request is returned through +the wc parameter, with the wr_id set to the context of the request. For +details on the work completion structure, see ibv_poll_cq. +.SH "RETURN VALUE" +Returns the number of returned completions (0 or 1) on success, or -1 on error. +If an error occurs, errno will be set to indicate the failure reason. +.SH "NOTES" +This calls polls the send completion queue associated with an rdma_cm_id. +If a completion is not found, the call blocks until a request completes. +This call should only be used on rdma_cm_id's that do not share CQs +with other rdma_cm_id's, and maintain separate CQs for sends and receive +completions. +.SH "SEE ALSO" +rdma_cm(7), ibv_poll_cq(3), rdma_get_recv_comp(3), +rdma_post_send(3), rdma_post_read(3), rdma_post_write(3) Index: contrib/ofed/librdmacm/man/rdma_get_src_port.3 =================================================================== --- contrib/ofed/librdmacm/man/rdma_get_src_port.3 +++ contrib/ofed/librdmacm/man/rdma_get_src_port.3 @@ -12,6 +12,9 @@ .SH "DESCRIPTION" Returns the local port number for an rdma_cm_id that has been bound to a local address. +.SH "RETURN VALUE" +Returns the 16-bit port identifier associated with the local endpoint. If +the rdma_cm_id is not bound to a port, the returned value is 0. .SH "SEE ALSO" rdma_bind_addr(3), rdma_resolve_addr(3), rdma_get_dst_port(3), rdma_get_local_addr(3), rdma_get_peer_addr(3) Index: contrib/ofed/librdmacm/man/rdma_getaddrinfo.3 =================================================================== --- /dev/null +++ contrib/ofed/librdmacm/man/rdma_getaddrinfo.3 @@ -0,0 +1,104 @@ +.TH "RDMA_GETADDRINFO" 3 "2010-07-19" "librdmacm" "Librdmacm Programmer's Manual" librdmacm +.SH NAME +rdma_getaddrinfo \- Provides transport independent address translation. +.SH SYNOPSIS +.B "#include " +.P +.B "int" rdma_getaddrinfo +.BI "(char *" node "," +.BI "char *" service "," +.BI "struct rdma_addrinfo *" hints "," +.BI "struct rdma_addrinfo **" res ");" +.SH ARGUMENTS +.IP "node" 12 +Optional, name, dotted-decimal IPv4, or IPv6 hex address to resolve. +.IP "service" 12 +Service name or port number of address. +.IP "hints" 12 +Reference to an rdma_addrinfo structure containing hints about the type +of service the caller supports. +.IP "res" 12 +A pointer to a linked list of rdma_addrinfo structures containing response +information. +.SH "DESCRIPTION" +Resolves the destination node and service address and returns +information needed to establish communication. Provides the +RDMA functional equivalent to getaddrinfo. +.SH "RETURN VALUE" +Returns 0 on success, or -1 on error. If an error occurs, errno will be +set to indicate the failure reason. +.SH "NOTES" +Either node, service, or hints must be provided. If hints are provided, the +operation will be controlled by hints.ai_flags. If RAI_PASSIVE is +specified, the call will resolve address information for use on the +passive side of a connection. +If node is provided, rdma_getaddrinfo will attempt to resolve the RDMA address, +route, and connection data to the given node. The hints parameter, if provided, +may be used to control the resulting output as indicated below. +If node is not given, rdma_getaddrinfo will attempt to resolve the RDMA addressing +information based on the hints.ai_src_addr, hints.ai_dst_addr, or hints.ai_route. +.SH "rdma_addrinfo" +.IP "ai_flags" 12 +Hint flags that control the operation. Supported flags are: +.IP "RAI_PASSIVE" 12 +Indicates that the results will be used on the passive/listening +side of a connection. +.IP "RAI_NUMERICHOST" 12 +If specified, then the node parameter, if provided, must be a numerical +network address. This flag suppresses any lengthy address resolution. +.IP "RAI_NOROUTE" 12 +If set, this flag suppresses any lengthy route resolution. +.IP "RAI_FAMILY" 12 +If set, the ai_family setting should be used as an input hint for interpretting +the node parameter. +.IP "ai_family" 12 +Address family for the source and destination address. Supported families +are: AF_INET, AF_INET6, and AF_IB. +.IP "ai_qp_type" 12 +Indicates the type of RDMA QP used for communication. Supported types are: +IBV_UD (unreliable datagram) and IBV_RC (reliable connected). +.IP "ai_port_space" 12 +RDMA port space in use. Supported values are: RDMA_PS_UDP, RDMA_PS_TCP, +and RDMA_PS_IB. +.IP "ai_src_len" 12 +The length of the source address referenced by ai_src_addr. This will be 0 +if an appropriate source address could not be discovered for a given +destination. +.IP "ai_dst_len" 12 +The length of the destination address referenced by ai_dst_addr. This +will be 0 if the RAI_PASSIVE flag was specified as part of the hints. +.IP "ai_src_addr" 12 +If provided, the address for the local RDMA device. +.IP "ai_dst_addr" 12 +If provided, the address for the destination RDMA device. +.IP "ai_src_canonname" 12 +The canonical for the source. +.IP "ai_dst_canonname" 12 +The canonical for the destination. +.IP "ai_route_len" 12 +Size of the routing information buffer referenced by ai_route. This will +be 0 if the underlying transport does not require routing data, or none +could be resolved. +.IP "ai_route" 12 +Routing information for RDMA transports that require routing data as part +of connection establishment. The format of the routing data depends on +the underlying transport. If Infiniband transports are +used, ai_route will reference an array of struct ibv_path_data on output, +if routing data is available. Routing paths may be restricted by setting +desired routing data fields on input to rdma_getaddrinfo. For Infiniband, +hints.ai_route may reference an array of struct ibv_path_record or +struct ibv_path_data on input. +.IP "ai_connect_len" 12 +Size of connection information referenced by ai_connect. This will be +0 if the underlying transport does not require additional connection +information. +.IP "ai_connect" 12 +Data exchanged as part of the connection establishment process. If provided, +ai_connect data must be transferred as private data, with any user supplied +private data following it. +.IP "ai_next" 12 +Pointer to the next rdma_addrinfo structure in the list. Will be NULL +if no more structures exist. +.SH "SEE ALSO" +rdma_create_id(3), rdma_resolve_route(3), rdma_connect(3), rdma_create_qp(3), +rdma_bind_addr(3), rdma_create_ep(3) Index: contrib/ofed/librdmacm/man/rdma_join_multicast.3 =================================================================== --- contrib/ofed/librdmacm/man/rdma_join_multicast.3 +++ contrib/ofed/librdmacm/man/rdma_join_multicast.3 @@ -17,6 +17,9 @@ User-defined context associated with the join request. .SH "DESCRIPTION" Joins a multicast group and attaches an associated QP to the group. +.SH "RETURN VALUE" +Returns 0 on success, or -1 on error. If an error occurs, errno will be +set to indicate the failure reason. .SH "NOTES" Before joining a multicast group, the rdma_cm_id must be bound to an RDMA device by calling rdma_bind_addr or rdma_resolve_addr. Use of @@ -24,9 +27,12 @@ multicast address to an RDMA device, unless a specific source address is provided. The user must call rdma_leave_multicast to leave the multicast group and release any multicast resources. After the join -operation completes, any associated QP is automatically attached to the -multicast group, and the join context is returned to the user through -the private_data field in the rdma_cm_event. +operation completes, if a QP is associated with the rdma_cm_id, +it is automatically attached to the multicast group when the multicast +event is retrieved by the user. Otherwise, the user is responsible +for calling ibv_attach_mcast to bind the QP to the multicast group. +The join context is returned to the user through the private_data +field in the rdma_cm_event. .SH "SEE ALSO" rdma_leave_multicast(3), rdma_bind_addr(3), rdma_resolve_addr(3), rdma_create_qp(3), rdma_get_cm_event(3) Index: contrib/ofed/librdmacm/man/rdma_leave_multicast.3 =================================================================== --- contrib/ofed/librdmacm/man/rdma_leave_multicast.3 +++ contrib/ofed/librdmacm/man/rdma_leave_multicast.3 @@ -14,6 +14,9 @@ Multicast address identifying the group to leave. .SH "DESCRIPTION" Leaves a multicast group and detaches an associated QP from the group. +.SH "RETURN VALUE" +Returns 0 on success, or -1 on error. If an error occurs, errno will be +set to indicate the failure reason. .SH "NOTES" Calling this function before a group has been fully joined results in canceling the join operation. Users should be aware that messages Index: contrib/ofed/librdmacm/man/rdma_listen.3 =================================================================== --- contrib/ofed/librdmacm/man/rdma_listen.3 +++ contrib/ofed/librdmacm/man/rdma_listen.3 @@ -16,6 +16,9 @@ Initiates a listen for incoming connection requests or datagram service lookup. The listen will be restricted to the locally bound source address. +.SH "RETURN VALUE" +Returns 0 on success, or -1 on error. If an error occurs, errno will be +set to indicate the failure reason. .SH "NOTES" Users must have bound the rdma_cm_id to a local address by calling rdma_bind_addr before calling this routine. If the rdma_cm_id is Index: contrib/ofed/librdmacm/man/rdma_migrate_id.3 =================================================================== --- contrib/ofed/librdmacm/man/rdma_migrate_id.3 +++ contrib/ofed/librdmacm/man/rdma_migrate_id.3 @@ -12,9 +12,12 @@ An existing communication identifier to migrate. .IP "channel" 12 The communication channel that events associated with the -allocated rdma_cm_id will be reported on. +allocated rdma_cm_id will be reported on. May be NULL. .SH "DESCRIPTION" Migrates a communication identifier to a different event channel. +.SH "RETURN VALUE" +Returns 0 on success, or -1 on error. If an error occurs, errno will be +set to indicate the failure reason. .SH "NOTES" This routine migrates a communication identifier to the specified event channel and moves any pending events associated with the rdma_cm_id @@ -22,6 +25,10 @@ rdma_cm_id's current event channel or invoke other routines on the rdma_cm_id while migrating between channels. This call will block while there are any unacknowledged events on the current event channel. +.P +If the channel parameter is NULL, the specified rdma_cm_id will be +placed into synchronous operation mode. All calls on the id +will block until the operation completes. .SH "SEE ALSO" rdma_cm(7), rdma_create_event_channel(3), rdma_create_id(3), rdma_get_cm_event(3) Index: contrib/ofed/librdmacm/man/rdma_notify.3 =================================================================== --- contrib/ofed/librdmacm/man/rdma_notify.3 +++ contrib/ofed/librdmacm/man/rdma_notify.3 @@ -15,6 +15,13 @@ .SH "DESCRIPTION" Used to notify the librdmacm of asynchronous events that have occurred on a QP associated with the rdma_cm_id. +.SH "RETURN VALUE" +Returns 0 on success, or -1 on error. If an error occurs, errno will be +set to indicate the failure reason. If errno is set to EISCONN +(transport endpoint is already connected), this indicates that the +the underlying communication manager established the connection before +the call to rdma_notify could be processed. In this case, the error may +safely be ignored. .SH "NOTES" Asynchronous events that occur on a QP are reported through the user's device event handler. This routine is used to notify the librdmacm of @@ -24,6 +31,8 @@ QP that is not yet considered connected. This routine forces the connection into an established state in this case in order to handle the rare situation where the connection never forms on its own. +Calling this routine ensures the delivery of the RDMA_CM_EVENT_ESTABLISHED +event to the application. Events that should be reported to the CM are: IB_EVENT_COMM_EST. .SH "SEE ALSO" rdma_connect(3), rdma_accept(3), rdma_listen(3) Index: contrib/ofed/librdmacm/man/rdma_post_read.3 =================================================================== --- /dev/null +++ contrib/ofed/librdmacm/man/rdma_post_read.3 @@ -0,0 +1,55 @@ +.TH "RDMA_POST_READ" 3 "2010-07-19" "librdmacm" "Librdmacm Programmer's Manual" librdmacm +.SH NAME +rdma_post_read \- post an RDMA read work request. +.SH SYNOPSIS +.B "#include " +.P +.B "int" rdma_post_read +.BI "(struct rdma_cm_id *" id "," +.BI "void *" context "," +.BI "void *" addr "," +.BI "size_t " length "," +.BI "struct ibv_mr *" mr "," +.BI "int " flags "," +.BI "uint64_t " remote_addr "," +.BI "uint32_t " rkey ");" +.SH ARGUMENTS +.IP "id" 12 +A reference to a communication identifier where the request +will be posted. +.IP "context" 12 +User-defined context associated with the request. +.IP "addr" 12 +The address of the local destination of the read request. +.IP "length" 12 +The length of the read operation. +.IP "mr" 12 +Registered memory region associated with the local buffer. +.IP "flags" 12 +Optional flags used to control the read operation. +.IP "remote_addr" 12 +The address of the remote registered memory to read from. +.IP "rkey" 12 +The registered memory key associated with the remote address. +.SH "DESCRIPTION" +Posts a work request to the send queue of the queue pair associated +with the rdma_cm_id. The contents of the remote memory region will be +read into the local data buffer. +.SH "RETURN VALUE" +Returns 0 on success, or -1 on error. If an error occurs, errno will be +set to indicate the failure reason. +.SH "NOTES" +For a list of supported flags, see ibv_post_send. +Both the remote and local data buffers must have been registered +before the read is issued, and the buffers must remain registered +until the read completes. +.P +Read operations may not be posted to an rdma_cm_id or the corresponding +queue pair until it has been connected. +.P +The user-defined context associated with the read request will be +returned to the user through the work completion wr_id, work request +identifier, field. +.SH "SEE ALSO" +rdma_cm(7), rdma_connect(3), rdma_accept(3), +ibv_post_send(3), rdma_post_readv(3), rdma_reg_read(3), rdma_reg_msgs(3) Index: contrib/ofed/librdmacm/man/rdma_post_readv.3 =================================================================== --- /dev/null +++ contrib/ofed/librdmacm/man/rdma_post_readv.3 @@ -0,0 +1,52 @@ +.TH "RDMA_POST_READV" 3 "2010-07-19" "librdmacm" "Librdmacm Programmer's Manual" librdmacm +.SH NAME +rdma_post_readv \- post an RDMA read work request. +.SH SYNOPSIS +.B "#include " +.P +.B "int" rdma_post_readv +.BI "(struct rdma_cm_id *" id "," +.BI "void *" context "," +.BI "struct ibv_sge *" sgl "," +.BI "int " nsge "," +.BI "int " flags "," +.BI "uint64_t " remote_addr "," +.BI "uint32_t " rkey ");" +.SH ARGUMENTS +.IP "id" 12 +A reference to a communication identifier where the request +will be posted. +.IP "context" 12 +User-defined context associated with the request. +.IP "sgl" 12 +A scatter-gather list of the destination buffers of the read. +.IP "nsge" 12 +The number of scatter-gather array entries. +.IP "flags" 12 +Optional flags used to control the read operation. +.IP "remote_addr" 12 +The address of the remote registered memory to read from. +.IP "rkey" 12 +The registered memory key associated with the remote address. +.SH "DESCRIPTION" +Posts a work request to the send queue of the queue pair associated +with the rdma_cm_id. The contents of the remote memory region will be +read into the local data buffers. +.SH "RETURN VALUE" +Returns 0 on success, or -1 on error. If an error occurs, errno will be +set to indicate the failure reason. +.SH "NOTES" +For a list of supported flags, see ibv_post_send. +Both the remote and local data buffers must have been registered +before the read is issued, and the buffers must remain registered +until the read completes. +.P +Read operations may not be posted to an rdma_cm_id or the corresponding +queue pair until it has been connected. +.P +The user-defined context associated with the read request will be +returned to the user through the work completion wr_id, work request +identifier, field. +.SH "SEE ALSO" +rdma_cm(7), rdma_connect(3), rdma_accept(3), +ibv_post_send(3), rdma_post_read(3), rdma_reg_read(3), rdma_reg_msgs(3) Index: contrib/ofed/librdmacm/man/rdma_post_recv.3 =================================================================== --- /dev/null +++ contrib/ofed/librdmacm/man/rdma_post_recv.3 @@ -0,0 +1,50 @@ +.TH "RDMA_POST_RECV" 3 "2010-07-19" "librdmacm" "Librdmacm Programmer's Manual" librdmacm +.SH NAME +rdma_post_recv \- post a work request to receive an incoming message. +.SH SYNOPSIS +.B "#include " +.P +.B "int" rdma_post_recv +.BI "(struct rdma_cm_id *" id "," +.BI "void *" context "," +.BI "void *" addr "," +.BI "size_t " length "," +.BI "struct ibv_mr *" mr ");" +.SH ARGUMENTS +.IP "id" 12 +A reference to a communication identifier where the message buffer +will be posted. +.IP "context" 12 +User-defined context associated with the request. +.IP "addr" 12 +The address of the memory buffer to post. +.IP "length" 12 +The length of the memory buffer. +.IP "mr" 12 +A registered memory region associated with the posted buffer. +.SH "DESCRIPTION" +Posts a work request to the receive queue of the queue pair associated +with the rdma_cm_id. The posted buffer will be queued to receive an incoming +message sent by the remote peer. +.SH "RETURN VALUE" +Returns 0 on success, or -1 on error. If an error occurs, errno will be +set to indicate the failure reason. +.SH "NOTES" +The user is responsible for ensuring that a receive buffer is posted +and large enough to contain all sent data before the peer posts the +corresponding send message. The message buffer must have been registered +before being posted, with the mr parameter referencing the registration. +The buffer must remain registered until the receive completes. +.P +Messages may be posted to an rdma_cm_id only after a queue pair has +been associated with it. A queue pair is bound to an rdma_cm_id after +calling rdma_create_ep or rdma_create_qp, if the rdma_cm_id is allocated +using rdma_create_id. +.P +The user-defined context associated with the receive request will be +returned to the user through the work completion wr_id, work request +identifier, field. +.SH "SEE ALSO" +rdma_cm(7), rdma_create_id(3), rdma_create_ep(3), rdma_create_qp(3), +rdma_reg_read(3), ibv_reg_mr(3), ibv_dereg_mr(3), +rdma_post_recvv(3), rdma_post_send(3) Index: contrib/ofed/librdmacm/man/rdma_post_recvv.3 =================================================================== --- /dev/null +++ contrib/ofed/librdmacm/man/rdma_post_recvv.3 @@ -0,0 +1,47 @@ +.TH "RDMA_POST_RECVV" 3 "2010-07-19" "librdmacm" "Librdmacm Programmer's Manual" librdmacm +.SH NAME +rdma_post_recvv \- post a work request to receive incoming messages. +.SH SYNOPSIS +.B "#include " +.P +.B "int" rdma_post_recvv +.BI "(struct rdma_cm_id *" id "," +.BI "void *" context "," +.BI "struct ibv_sge *" sgl "," +.BI "int " nsge ");" +.SH ARGUMENTS +.IP "id" 12 +A reference to a communication identifier where the message buffer(s) +will be posted. +.IP "context" 12 +User-defined context associated with the request. +.IP "sgl" 12 +A scatter-gather list of memory buffers posted as a single request. +.IP "nsge" 12 +The number of scatter-gather entries in the sgl array. +.SH "DESCRIPTION" +Posts a single work request to the receive queue of the queue pair associated +with the rdma_cm_id. The posted buffers will be queued to receive an +incoming message sent by the remote peer. +.SH "RETURN VALUE" +Returns 0 on success, or -1 on error. If an error occurs, errno will be +set to indicate the failure reason. +.SH "NOTES" +The user is responsible for ensuring that the receive is posted, +and the total buffer space is large enough to contain all sent data +before the peer posts the corresponding send message. The message buffers +must have been registered before being posted, and the buffers must +remain registered until the receive completes. +.P +Messages may be posted to an rdma_cm_id only after a queue pair has +been associated with it. A queue pair is bound to an rdma_cm_id after +calling rdma_create_ep or rdma_create_qp, if the rdma_cm_id is allocated +using rdma_create_id. +.P +The user-defined context associated with the receive request will be +returned to the user through the work completion wr_id, work request +identifier, field. +.SH "SEE ALSO" +rdma_cm(7), rdma_create_id(3), rdma_create_ep(3), rdma_create_qp(3), +rdma_reg_read(3), ibv_reg_mr(3), ibv_dereg_mr(3), +rdma_post_recv(3), rdma_post_send(3) Index: contrib/ofed/librdmacm/man/rdma_post_send.3 =================================================================== --- /dev/null +++ contrib/ofed/librdmacm/man/rdma_post_send.3 @@ -0,0 +1,51 @@ +.TH "RDMA_POST_SEND" 3 "2010-07-19" "librdmacm" "Librdmacm Programmer's Manual" librdmacm +.SH NAME +rdma_post_send \- post a work request to send a message. +.SH SYNOPSIS +.B "#include " +.P +.B "int" rdma_post_send +.BI "(struct rdma_cm_id *" id "," +.BI "void *" context "," +.BI "void *" addr "," +.BI "size_t " length "," +.BI "struct ibv_mr *" mr "," +.BI "int " flags ");" +.SH ARGUMENTS +.IP "id" 12 +A reference to a communication identifier where the message buffer +will be posted. +.IP "context" 12 +User-defined context associated with the request. +.IP "addr" 12 +The address of the memory buffer to post. +.IP "length" 12 +The length of the memory buffer. +.IP "mr" 12 +Optional registered memory region associated with the posted buffer. +.IP "flags" 12 +Optional flags used to control the send operation. +.SH "DESCRIPTION" +Posts a work request to the send queue of the queue pair associated +with the rdma_cm_id. The contents of the posted buffer will be sent +to the remote peer of a connection. +.SH "RETURN VALUE" +Returns 0 on success, or -1 on error. If an error occurs, errno will be +set to indicate the failure reason. +.SH "NOTES" +The user is responsible for ensuring that the remote peer has queued a +receive request before issuing the send operations. For a list of +supported flags, see ibv_post_send. Unless the send request is using +inline data, the message buffer must have been registered +before being posted, with the mr parameter referencing the registration. +The buffer must remain registered until the send completes. +.P +Send operations may not be posted to an rdma_cm_id or the corresponding +queue pair until it has been connected. +.P +The user-defined context associated with the send request will be +returned to the user through the work completion wr_id, work request +identifier, field. +.SH "SEE ALSO" +rdma_cm(7), rdma_connect(3), rdma_accept(3), +ibv_post_send(3), rdma_post_sendv(3), rdma_post_recv(3) Index: contrib/ofed/librdmacm/man/rdma_post_sendv.3 =================================================================== --- /dev/null +++ contrib/ofed/librdmacm/man/rdma_post_sendv.3 @@ -0,0 +1,48 @@ +.TH "RDMA_POST_SENDV" 3 "2010-07-19" "librdmacm" "Librdmacm Programmer's Manual" librdmacm +.SH NAME +rdma_post_sendv \- post a work request to send a message. +.SH SYNOPSIS +.B "#include " +.P +.B "int" rdma_post_sendv +.BI "(struct rdma_cm_id *" id "," +.BI "void *" context "," +.BI "struct ibv_sge *" slg "," +.BI "int " nsge "," +.BI "int " flags ");" +.SH ARGUMENTS +.IP "id" 12 +A reference to a communication identifier where the message buffer +will be posted. +.IP "context" 12 +User-defined context associated with the request. +.IP "slg" 12 +A scatter-gather list of memory buffers posted as a single request. +.IP "nsge" 12 +The number of scatter-gather entries in the slg array. +.IP "flags" 12 +Optional flags used to control the send operation. +.SH "DESCRIPTION" +Posts a work request to the send queue of the queue pair associated +with the rdma_cm_id. The contents of the posted buffers will be sent +to the remote peer of a connection. +.SH "RETURN VALUE" +Returns 0 on success, or -1 on error. If an error occurs, errno will be +set to indicate the failure reason. +.SH "NOTES" +The user is responsible for ensuring that the remote peer has queued a +receive request before issuing the send operations. For a list of +supported flags, see ibv_post_send. Unless the send request is using +inline data, the message buffers must have been registered +before being posted, and the buffers must remain registered +until the send completes. +.P +Send operations may not be posted to an rdma_cm_id or the corresponding +queue pair until it has been connected. +.P +The user-defined context associated with the send request will be +returned to the user through the work completion wr_id, work request +identifier, field. +.SH "SEE ALSO" +rdma_cm(7), rdma_connect(3), rdma_accept(3), +ibv_post_send(3), rdma_post_send(3), rdma_post_recv(3) Index: contrib/ofed/librdmacm/man/rdma_post_ud_send.3 =================================================================== --- /dev/null +++ contrib/ofed/librdmacm/man/rdma_post_ud_send.3 @@ -0,0 +1,54 @@ +.TH "RDMA_POST_UD_SEND" 3 "2010-07-19" "librdmacm" "Librdmacm Programmer's Manual" librdmacm +.SH NAME +rdma_post_ud_send \- post a work request to send a datagram. +.SH SYNOPSIS +.B "#include " +.P +.B "int" rdma_post_ud_send +.BI "(struct rdma_cm_id *" id "," +.BI "void *" context "," +.BI "void *" addr "," +.BI "size_t " length "," +.BI "struct ibv_mr *" mr "," +.BI "int " flags "," +.BI "struct ibv_ah *" ah "," +.BI "uint32_t " remote_qpn ");" +.SH ARGUMENTS +.IP "id" 12 +A reference to a communication identifier where the message buffer +will be posted. +.IP "context" 12 +User-defined context associated with the request. +.IP "addr" 12 +The address of the memory buffer to post. +.IP "length" 12 +The length of the memory buffer. +.IP "mr" 12 +Optional registered memory region associated with the posted buffer. +.IP "flags" 12 +Optional flags used to control the send operation. +.IP "ah" 12 +An address handle describing the address of the remote node. +.IP "remote_qpn" 12 +The number of the destination queue pair. +.SH "DESCRIPTION" +Posts a work request to the send queue of the queue pair associated +with the rdma_cm_id. The contents of the posted buffer will be sent +to the specified destination queue pair. +.SH "RETURN VALUE" +Returns 0 on success, or -1 on error. If an error occurs, errno will be +set to indicate the failure reason. +.SH "NOTES" +The user is responsible for ensuring that the destination queue pair +has queued a receive request before issuing the send operations. For a list of +supported flags, see ibv_post_send. Unless the send request is using +inline data, the message buffer must have been registered +before being posted, with the mr parameter referencing the registration. +The buffer must remain registered until the send completes. +.P +The user-defined context associated with the send request will be +returned to the user through the work completion wr_id, work request +identifier, field. +.SH "SEE ALSO" +rdma_cm(7), rdma_connect(3), rdma_accept(3), rdma_reg_msgs(3) +ibv_post_send(3), rdma_post_recv(3) Index: contrib/ofed/librdmacm/man/rdma_post_write.3 =================================================================== --- /dev/null +++ contrib/ofed/librdmacm/man/rdma_post_write.3 @@ -0,0 +1,55 @@ +.TH "RDMA_POST_WRITE" 3 "2010-07-19" "librdmacm" "Librdmacm Programmer's Manual" librdmacm +.SH NAME +rdma_post_write \- post an RDMA write work request. +.SH SYNOPSIS +.B "#include " +.P +.B "int" rdma_post_write +.BI "(struct rdma_cm_id *" id "," +.BI "void *" context "," +.BI "void *" addr "," +.BI "size_t " length "," +.BI "struct ibv_mr *" mr "," +.BI "int " flags "," +.BI "uint64_t " remote_addr "," +.BI "uint32_t " rkey ");" +.SH ARGUMENTS +.IP "id" 12 +A reference to a communication identifier where the request +will be posted. +.IP "context" 12 +User-defined context associated with the request. +.IP "addr" 12 +The local address of the source of the write request. +.IP "length" 12 +The length of the write operation. +.IP "mr" 12 +Optional memory region associated with the local buffer. +.IP "flags" 12 +Optional flags used to control the write operation. +.IP "remote_addr" 12 +The address of the remote registered memory to write into. +.IP "rkey" 12 +The registered memory key associated with the remote address. +.SH "DESCRIPTION" +Posts a work request to the send queue of the queue pair associated +with the rdma_cm_id. The contents of the local data buffer will be +writen into the remote memory region. +.SH "RETURN VALUE" +Returns 0 on success, or -1 on error. If an error occurs, errno will be +set to indicate the failure reason. +.SH "NOTES" +For a list of supported flags, see ibv_post_send. Unless inline +data is specified, the local data buffer must have been registered +before the write is issued, and the buffer must remain registered +until the write completes. The remote buffer must always be registered. +.P +Write operations may not be posted to an rdma_cm_id or the corresponding +queue pair until it has been connected. +.P +The user-defined context associated with the write request will be +returned to the user through the work completion wr_id, work request +identifier, field. +.SH "SEE ALSO" +rdma_cm(7), rdma_connect(3), rdma_accept(3), +ibv_post_send(3), rdma_post_writev(3), rdma_reg_write(3), rdma_reg_msgs(3) Index: contrib/ofed/librdmacm/man/rdma_post_writev.3 =================================================================== --- /dev/null +++ contrib/ofed/librdmacm/man/rdma_post_writev.3 @@ -0,0 +1,52 @@ +.TH "RDMA_POST_WRITEV" 3 "2010-07-19" "librdmacm" "Librdmacm Programmer's Manual" librdmacm +.SH NAME +rdma_post_writev \- post an RDMA write work request. +.SH SYNOPSIS +.B "#include " +.P +.B "int" rdma_post_writev +.BI "(struct rdma_cm_id *" id "," +.BI "void *" context "," +.BI "struct ibv_sge *" sgl "," +.BI "int " nsge "," +.BI "int " flags "," +.BI "uint64_t " remote_addr "," +.BI "uint32_t " rkey ");" +.SH ARGUMENTS +.IP "id" 12 +A reference to a communication identifier where the request +will be posted. +.IP "context" 12 +User-defined context associated with the request. +.IP "sgl" 12 +A scatter-gather list of the source buffers of the write. +.IP "nsge" 12 +The number of scatter-gather array entries. +.IP "flags" 12 +Optional flags used to control the write operation. +.IP "remote_addr" 12 +The address of the remote registered memory to write into. +.IP "rkey" 12 +The registered memory key associated with the remote address. +.SH "DESCRIPTION" +Posts a work request to the send queue of the queue pair associated +with the rdma_cm_id. The contents of the local data buffers will be +writen into the remote memory region. +.SH "RETURN VALUE" +Returns 0 on success, or -1 on error. If an error occurs, errno will be +set to indicate the failure reason. +.SH "NOTES" +For a list of supported flags, see ibv_post_send. Unless inline +data is specified, the local data buffers must have been registered +before the write is issued, and the buffers must remain registered +until the write completes. The remote buffers must always be registered. +.P +Write operations may not be posted to an rdma_cm_id or the corresponding +queue pair until it has been connected. +.P +The user-defined context associated with the write request will be +returned to the user through the work completion wr_id, work request +identifier, field. +.SH "SEE ALSO" +rdma_cm(7), rdma_connect(3), rdma_accept(3), +ibv_post_send(3), rdma_post_write(3), rdma_reg_write(3), rdma_reg_msgs(3) Index: contrib/ofed/librdmacm/man/rdma_reg_msgs.3 =================================================================== --- /dev/null +++ contrib/ofed/librdmacm/man/rdma_reg_msgs.3 @@ -0,0 +1,42 @@ +.TH "RDMA_REG_MSGS" 3 "2010-07-19" "librdmacm" "Librdmacm Programmer's Manual" librdmacm +.SH NAME +rdma_reg_msgs \- register data buffer(s) for sending or receiving messages. +.SH SYNOPSIS +.B "#include " +.P +.B "struct ibv_mr *" rdma_reg_msgs +.BI "(struct rdma_cm_id *" id "," +.BI "void *" addr "," +.BI "size_t " length ");" +.SH ARGUMENTS +.IP "id" 12 +A reference to a communication identifier where the message buffer(s) +will be used. +.IP "addr" 12 +The address of the memory buffer(s) to register. +.IP "length" 12 +The total length of the memory to register. +.SH "DESCRIPTION" +Registers an array of memory buffers used for sending and receiving +messages or for RDMA operations. Memory buffers registered using +rdma_reg_msgs may be posted to an rdma_cm_id using +rdma_post_send or rdma_post_recv, or specified as the target of an RDMA +read operation or the source of an RDMA write reqeust. +.SH "RETURN VALUE" +Returns a reference to the registered memory region on success, or NULL on +error. If an error occurs, errno will be set to indicate the failure reason. +.SH "NOTES" +rdma_reg_msgs is used to register an array of data buffers +that will be used send and/or receive messages on a queue pair associated with +an rdma_cm_id. The memory buffer is registered with the proteection +domain associated with the idenfier. The start of the data buffer array +is specified through the addr parameter, and the total size of the array +is given by length. +.P +All data buffers should be registered before being posted as a work request. +Users must deregister all registered memory by calling rdma_dereg_mr. +.SH "SEE ALSO" +rdma_cm(7), rdma_create_id(3), rdma_create_ep(3), +rdma_reg_read(3), rdma_reg_write(3), +ibv_reg_mr(3), ibv_dereg_mr(3), rdma_post_send(3), rdma_post_recv(3), +rdma_post_read(3), rdma_post_readv(3), rdma_post_write(3), rdma_post_writev(3) Index: contrib/ofed/librdmacm/man/rdma_reg_read.3 =================================================================== --- /dev/null +++ contrib/ofed/librdmacm/man/rdma_reg_read.3 @@ -0,0 +1,41 @@ +.TH "RDMA_REG_READ" 3 "2010-07-19" "librdmacm" "Librdmacm Programmer's Manual" librdmacm +.SH NAME +rdma_reg_read \- register data buffer(s) for remote RDMA read access. +.SH SYNOPSIS +.B "#include " +.P +.B "struct ibv_mr *" rdma_reg_read +.BI "(struct rdma_cm_id *" id "," +.BI "void *" addr "," +.BI "size_t " length ");" +.SH ARGUMENTS +.IP "id" 12 +A reference to a communication identifier where the message buffer(s) +will be used. +.IP "addr" 12 +The address of the memory buffer(s) to register. +.IP "length" 12 +The total length of the memory to register. +.SH "DESCRIPTION" +Registers a memory buffer that will be accessed by a remote RDMA read +operation. Memory buffers registered using rdma_reg_read may be +targeted in an RDMA read request, allowing the buffer to be +specified on the remote side of an RDMA connection as the remote_addr +of rdma_post_read, or similar call. +.SH "RETURN VALUE" +Returns a reference to the registered memory region on success, or NULL on +error. If an error occurs, errno will be set to indicate the failure reason. +.SH "NOTES" +rdma_reg_read is used to register a data buffer that will be the +target of an RDMA read operation on a queue pair associated with +an rdma_cm_id. The memory buffer is registered with the proteection +domain associated with the idenfier. The start of the data buffer +is specified through the addr parameter, and the total size of the buffer +is given by length. +.P +All data buffers should be registered before being posted as a work request. +Users must deregister all registered memory by calling rdma_dereg_mr. +.SH "SEE ALSO" +rdma_cm(7), rdma_create_id(3), rdma_create_ep(3), +rdma_reg_msgs(3), rdma_reg_write(3), +ibv_reg_mr(3), ibv_dereg_mr(3), rdma_post_read(3) Index: contrib/ofed/librdmacm/man/rdma_reg_write.3 =================================================================== --- /dev/null +++ contrib/ofed/librdmacm/man/rdma_reg_write.3 @@ -0,0 +1,41 @@ +.TH "RDMA_REG_WRITE" 3 "2010-07-19" "librdmacm" "Librdmacm Programmer's Manual" librdmacm +.SH NAME +rdma_reg_write \- register data buffer(s) for remote RDMA write access. +.SH SYNOPSIS +.B "#include " +.P +.B "struct ibv_mr *" rdma_reg_write +.BI "(struct rdma_cm_id *" id "," +.BI "void *" addr "," +.BI "size_t " length ");" +.SH ARGUMENTS +.IP "id" 12 +A reference to a communication identifier where the message buffer(s) +will be used. +.IP "addr" 12 +The address of the memory buffer(s) to register. +.IP "length" 12 +The total length of the memory to register. +.SH "DESCRIPTION" +Registers a memory buffer that will be accessed by a remote RDMA write +operation. Memory buffers registered using rdma_reg_write may be +targeted in an RDMA write request, allowing the buffer to be +specified on the remote side of an RDMA connection as the remote_addr +of rdma_post_write, or similar call. +.SH "RETURN VALUE" +Returns a reference to the registered memory region on success, or NULL on +error. If an error occurs, errno will be set to indicate the failure reason. +.SH "NOTES" +rdma_reg_write is used to register a data buffer that will be the +target of an RDMA write operation on a queue pair associated with +an rdma_cm_id. The memory buffer is registered with the proteection +domain associated with the idenfier. The start of the data buffer +is specified through the addr parameter, and the total size of the buffer +is given by length. +.P +All data buffers should be registered before being posted as a work request. +Users must deregister all registered memory by calling rdma_dereg_mr. +.SH "SEE ALSO" +rdma_cm(7), rdma_create_id(3), rdma_create_ep(3), +rdma_reg_msgs(3), rdma_reg_read(3), +ibv_reg_mr(3), ibv_dereg_mr(3), rdma_post_write(3) Index: contrib/ofed/librdmacm/man/rdma_reject.3 =================================================================== --- contrib/ofed/librdmacm/man/rdma_reject.3 +++ contrib/ofed/librdmacm/man/rdma_reject.3 @@ -20,6 +20,9 @@ .SH "DESCRIPTION" Called from the listening side to reject a connection or datagram service lookup request. +.SH "RETURN VALUE" +Returns 0 on success, or -1 on error. If an error occurs, errno will be +set to indicate the failure reason. .SH "NOTES" After receiving a connection request event, a user may call rdma_reject to reject the request. If the underlying RDMA transport supports Index: contrib/ofed/librdmacm/man/rdma_resolve_addr.3 =================================================================== --- contrib/ofed/librdmacm/man/rdma_resolve_addr.3 +++ contrib/ofed/librdmacm/man/rdma_resolve_addr.3 @@ -22,6 +22,9 @@ Resolve destination and optional source addresses from IP addresses to an RDMA address. If successful, the specified rdma_cm_id will be bound to a local device. +.SH "RETURN VALUE" +Returns 0 on success, or -1 on error. If an error occurs, errno will be +set to indicate the failure reason. .SH "NOTES" This call is used to map a given destination IP address to a usable RDMA address. The IP to RDMA address mapping is done using the local routing Index: contrib/ofed/librdmacm/man/rdma_resolve_route.3 =================================================================== --- contrib/ofed/librdmacm/man/rdma_resolve_route.3 +++ contrib/ofed/librdmacm/man/rdma_resolve_route.3 @@ -16,6 +16,9 @@ Resolves an RDMA route to the destination address in order to establish a connection. The destination address must have already been resolved by calling rdma_resolve_addr. +.SH "RETURN VALUE" +Returns 0 on success, or -1 on error. If an error occurs, errno will be +set to indicate the failure reason. .SH "NOTES" This is called on the client side of a connection after calling rdma_resolve_addr, but before calling rdma_connect. Index: contrib/ofed/librdmacm/man/rdma_set_option.3 =================================================================== --- contrib/ofed/librdmacm/man/rdma_set_option.3 +++ contrib/ofed/librdmacm/man/rdma_set_option.3 @@ -24,6 +24,9 @@ .SH "DESCRIPTION" Sets communication options for an rdma_cm_id. This call is used to override the default system settings. +.SH "RETURN VALUE" +Returns 0 on success, or -1 on error. If an error occurs, errno will be +set to indicate the failure reason. .SH "NOTES" Option details may be found in the relevent header files. .SH "SEE ALSO" Index: contrib/ofed/librdmacm/man/rping.1 =================================================================== --- contrib/ofed/librdmacm/man/rping.1 +++ contrib/ofed/librdmacm/man/rping.1 @@ -23,6 +23,7 @@ .TP \-a address On the server, specifies the network address to bind the connection to. +To bind to any address with IPv6 use -a ::0 . On the client, specifies the server address to connect to. .TP \-p Index: contrib/ofed/librdmacm/man/ucmatose.1 =================================================================== --- contrib/ofed/librdmacm/man/ucmatose.1 +++ contrib/ofed/librdmacm/man/ucmatose.1 @@ -4,10 +4,12 @@ .SH SYNOPSIS .sp .nf -\fIucmatose\fR [-s server_address] [-b bind_address] [-c connections] - [-C message_count] [-S message_size] -\fIucmatose\fR -s server_address [-b bind_address] [-c connections] - [-C message_count] [-S message_size] [-t tos] +\fIucmatose\fR [-s server_address] [-b bind_address] + [-f address_format] [-P port_space] + [-c connections] [-C message_count] [-S message_size] +\fIucmatose\fR -s server_address [-b bind_address] + [-f address_format] [-P port_space] + [-c connections] [-C message_count] [-S message_size] [-t tos] .fi .SH "DESCRIPTION" Establishes a set of reliable RDMA connections between two nodes using the @@ -21,6 +23,19 @@ .TP \-b bind_address The local network address to bind to. +To bind to any address with IPv6 use -b ::0 . +.TP +\-f address_format +Specifies the format of the server and bind address. Be default, the +format is determined by getaddrinfo() as either being a hostname, an IPv4 +address, or an IPv6 address. This option may be used to indicate that +a specific address format has been provided. Supported address_format +values are: name, ip, ipv6, and gid. +.TP +\-P port_space +Specifies the port space for the connection. Be default, the port space +is the RDMA TCP port space. (Note that the RDMA port space may be separate +from that used for IP.) Supported port_space values are: tcp and ib. .TP \-c connections The number of connections to establish between the client and server. Index: contrib/ofed/librdmacm/man/udaddy.1 =================================================================== --- contrib/ofed/librdmacm/man/udaddy.1 +++ contrib/ofed/librdmacm/man/udaddy.1 @@ -22,6 +22,7 @@ .TP \-b bind_address The local network address to bind to. +To bind to any address with IPv6 use -b ::0 . .TP \-c connections The number of communication paths to establish between the client and server. Index: contrib/ofed/librdmacm/src/acm.c =================================================================== --- /dev/null +++ contrib/ofed/librdmacm/src/acm.c @@ -0,0 +1,443 @@ +/* + * Copyright (c) 2010-2012 Intel Corporation. All rights reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * OpenIB.org BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#if HAVE_CONFIG_H +# include +#endif /* HAVE_CONFIG_H */ + +#include +#include +#include +#include +#include +#include + +#include "cma.h" +#include +#include +#include + +#define ACM_VERSION 1 + +#define ACM_OP_RESOLVE 0x01 +#define ACM_OP_ACK 0x80 + +#define ACM_STATUS_SUCCESS 0 +#define ACM_STATUS_ENOMEM 1 +#define ACM_STATUS_EINVAL 2 +#define ACM_STATUS_ENODATA 3 +#define ACM_STATUS_ENOTCONN 5 +#define ACM_STATUS_ETIMEDOUT 6 +#define ACM_STATUS_ESRCADDR 7 +#define ACM_STATUS_ESRCTYPE 8 +#define ACM_STATUS_EDESTADDR 9 +#define ACM_STATUS_EDESTTYPE 10 + +#define ACM_FLAGS_NODELAY (1<<30) + +#define ACM_MSG_HDR_LENGTH 16 +#define ACM_MAX_ADDRESS 64 +#define ACM_MSG_EP_LENGTH 72 +#define ACM_MSG_DATA_LENGTH (ACM_MSG_EP_LENGTH * 8) + +struct acm_hdr { + uint8_t version; + uint8_t opcode; + uint8_t status; + uint8_t data[3]; + uint16_t length; + uint64_t tid; +}; + +#define ACM_EP_INFO_NAME 0x0001 +#define ACM_EP_INFO_ADDRESS_IP 0x0002 +#define ACM_EP_INFO_ADDRESS_IP6 0x0003 +#define ACM_EP_INFO_PATH 0x0010 + +union acm_ep_info { + uint8_t addr[ACM_MAX_ADDRESS]; + uint8_t name[ACM_MAX_ADDRESS]; + struct ibv_path_record path; +}; + +#define ACM_EP_FLAG_SOURCE (1<<0) +#define ACM_EP_FLAG_DEST (1<<1) + +struct acm_ep_addr_data { + uint32_t flags; + uint16_t type; + uint16_t reserved; + union acm_ep_info info; +}; + +struct acm_resolve_msg { + struct acm_hdr hdr; + struct acm_ep_addr_data data[0]; +}; + +struct acm_msg { + struct acm_hdr hdr; + union{ + uint8_t data[ACM_MSG_DATA_LENGTH]; + struct acm_ep_addr_data resolve_data[0]; + }; +}; + +static pthread_mutex_t acm_lock = PTHREAD_MUTEX_INITIALIZER; +static int sock = -1; +static uint16_t server_port; + +static int ucma_set_server_port(void) +{ + FILE *f; + + if ((f = fopen("/var/run/ibacm.port", "r" STREAM_CLOEXEC))) { + fscanf(f, "%" SCNu16, &server_port); + fclose(f); + } + return server_port; +} + +void ucma_ib_init(void) +{ + struct sockaddr_in addr; + static int init; + int ret; + + if (init) + return; + + pthread_mutex_lock(&acm_lock); + if (init) + goto unlock; + + if (!ucma_set_server_port()) + goto out; + + sock = socket(AF_INET, SOCK_STREAM | SOCK_CLOEXEC, IPPROTO_TCP); + if (sock < 0) + goto out; + + memset(&addr, 0, sizeof addr); + addr.sin_family = AF_INET; + addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK); + addr.sin_port = htons(server_port); + ret = connect(sock, (struct sockaddr *) &addr, sizeof(addr)); + if (ret) { + close(sock); + sock = -1; + } +out: + init = 1; +unlock: + pthread_mutex_unlock(&acm_lock); +} + +void ucma_ib_cleanup(void) +{ + if (sock >= 0) { + shutdown(sock, SHUT_RDWR); + close(sock); + } +} + +static int ucma_ib_set_addr(struct rdma_addrinfo *ib_rai, + struct rdma_addrinfo *rai) +{ + struct sockaddr_ib *src, *dst; + struct ibv_path_record *path; + + src = calloc(1, sizeof *src); + if (!src) + return ERR(ENOMEM); + + dst = calloc(1, sizeof *dst); + if (!dst) { + free(src); + return ERR(ENOMEM); + } + + path = &((struct ibv_path_data *) ib_rai->ai_route)->path; + + src->sib_family = AF_IB; + src->sib_pkey = path->pkey; + src->sib_flowinfo = htonl(ntohl(path->flowlabel_hoplimit) >> 8); + memcpy(&src->sib_addr, &path->sgid, 16); + ucma_set_sid(ib_rai->ai_port_space, rai->ai_src_addr, src); + + dst->sib_family = AF_IB; + dst->sib_pkey = path->pkey; + dst->sib_flowinfo = htonl(ntohl(path->flowlabel_hoplimit) >> 8); + memcpy(&dst->sib_addr, &path->dgid, 16); + ucma_set_sid(ib_rai->ai_port_space, rai->ai_dst_addr, dst); + + ib_rai->ai_src_addr = (struct sockaddr *) src; + ib_rai->ai_src_len = sizeof(*src); + + ib_rai->ai_dst_addr = (struct sockaddr *) dst; + ib_rai->ai_dst_len = sizeof(*dst); + + return 0; +} + +static int ucma_ib_set_connect(struct rdma_addrinfo *ib_rai, + struct rdma_addrinfo *rai) +{ + struct ib_connect_hdr *hdr; + + if (rai->ai_family == AF_IB) + return 0; + + hdr = calloc(1, sizeof *hdr); + if (!hdr) + return ERR(ENOMEM); + + if (rai->ai_family == AF_INET) { + hdr->ip_version = 4 << 4; + memcpy(&hdr->cma_src_ip4, + &((struct sockaddr_in *) rai->ai_src_addr)->sin_addr, 4); + memcpy(&hdr->cma_dst_ip4, + &((struct sockaddr_in *) rai->ai_dst_addr)->sin_addr, 4); + } else { + hdr->ip_version = 6 << 4; + memcpy(&hdr->cma_src_ip6, + &((struct sockaddr_in6 *) rai->ai_src_addr)->sin6_addr, 16); + memcpy(&hdr->cma_dst_ip6, + &((struct sockaddr_in6 *) rai->ai_dst_addr)->sin6_addr, 16); + } + + ib_rai->ai_connect = hdr; + ib_rai->ai_connect_len = sizeof(*hdr); + return 0; +} + +static void ucma_resolve_af_ib(struct rdma_addrinfo **rai) +{ + struct rdma_addrinfo *ib_rai; + + ib_rai = calloc(1, sizeof(*ib_rai)); + if (!ib_rai) + return; + + ib_rai->ai_flags = (*rai)->ai_flags; + ib_rai->ai_family = AF_IB; + ib_rai->ai_qp_type = (*rai)->ai_qp_type; + ib_rai->ai_port_space = (*rai)->ai_port_space; + + ib_rai->ai_route = calloc(1, (*rai)->ai_route_len); + if (!ib_rai->ai_route) + goto err; + + memcpy(ib_rai->ai_route, (*rai)->ai_route, (*rai)->ai_route_len); + ib_rai->ai_route_len = (*rai)->ai_route_len; + + if ((*rai)->ai_src_canonname) { + ib_rai->ai_src_canonname = strdup((*rai)->ai_src_canonname); + if (!ib_rai->ai_src_canonname) + goto err; + } + + if ((*rai)->ai_dst_canonname) { + ib_rai->ai_dst_canonname = strdup((*rai)->ai_dst_canonname); + if (!ib_rai->ai_dst_canonname) + goto err; + } + + if (ucma_ib_set_connect(ib_rai, *rai)) + goto err; + + if (ucma_ib_set_addr(ib_rai, *rai)) + goto err; + + ib_rai->ai_next = *rai; + *rai = ib_rai; + return; + +err: + rdma_freeaddrinfo(ib_rai); +} + +static void ucma_ib_save_resp(struct rdma_addrinfo *rai, struct acm_msg *msg) +{ + struct acm_ep_addr_data *ep_data; + struct ibv_path_data *path_data = NULL; + struct sockaddr_in *sin; + struct sockaddr_in6 *sin6; + int i, cnt, path_cnt = 0; + + cnt = (msg->hdr.length - ACM_MSG_HDR_LENGTH) / ACM_MSG_EP_LENGTH; + for (i = 0; i < cnt; i++) { + ep_data = &msg->resolve_data[i]; + switch (ep_data->type) { + case ACM_EP_INFO_PATH: + ep_data->type = 0; + if (!path_data) + path_data = (struct ibv_path_data *) ep_data; + path_cnt++; + break; + case ACM_EP_INFO_ADDRESS_IP: + if (!(ep_data->flags & ACM_EP_FLAG_SOURCE) || rai->ai_src_len) + break; + + sin = calloc(1, sizeof(*sin)); + if (!sin) + break; + + sin->sin_family = AF_INET; + memcpy(&sin->sin_addr, &ep_data->info.addr, 4); + rai->ai_src_len = sizeof(*sin); + rai->ai_src_addr = (struct sockaddr *) sin; + break; + case ACM_EP_INFO_ADDRESS_IP6: + if (!(ep_data->flags & ACM_EP_FLAG_SOURCE) || rai->ai_src_len) + break; + + sin6 = calloc(1, sizeof(*sin6)); + if (!sin6) + break; + + sin6->sin6_family = AF_INET6; + memcpy(&sin6->sin6_addr, &ep_data->info.addr, 16); + rai->ai_src_len = sizeof(*sin6); + rai->ai_src_addr = (struct sockaddr *) sin6; + break; + default: + break; + } + } + + rai->ai_route = calloc(path_cnt, sizeof(*path_data)); + if (rai->ai_route) { + memcpy(rai->ai_route, path_data, path_cnt * sizeof(*path_data)); + rai->ai_route_len = path_cnt * sizeof(*path_data); + } +} + +static void ucma_set_ep_addr(struct acm_ep_addr_data *data, struct sockaddr *addr) +{ + if (addr->sa_family == AF_INET) { + data->type = ACM_EP_INFO_ADDRESS_IP; + memcpy(data->info.addr, &((struct sockaddr_in *) addr)->sin_addr, 4); + } else { + data->type = ACM_EP_INFO_ADDRESS_IP6; + memcpy(data->info.addr, &((struct sockaddr_in6 *) addr)->sin6_addr, 16); + } +} + +static int ucma_inet_addr(struct sockaddr *addr, socklen_t len) +{ + return len && addr && (addr->sa_family == AF_INET || + addr->sa_family == AF_INET6); +} + +static int ucma_ib_addr(struct sockaddr *addr, socklen_t len) +{ + return len && addr && (addr->sa_family == AF_IB); +} + +void ucma_ib_resolve(struct rdma_addrinfo **rai, struct rdma_addrinfo *hints) +{ + struct acm_msg msg; + struct acm_ep_addr_data *data; + int ret; + + ucma_ib_init(); + if (sock < 0) + return; + + memset(&msg, 0, sizeof msg); + msg.hdr.version = ACM_VERSION; + msg.hdr.opcode = ACM_OP_RESOLVE; + msg.hdr.length = ACM_MSG_HDR_LENGTH; + + data = &msg.resolve_data[0]; + if (ucma_inet_addr((*rai)->ai_src_addr, (*rai)->ai_src_len)) { + data->flags = ACM_EP_FLAG_SOURCE; + ucma_set_ep_addr(data, (*rai)->ai_src_addr); + data++; + msg.hdr.length += ACM_MSG_EP_LENGTH; + } + + if (ucma_inet_addr((*rai)->ai_dst_addr, (*rai)->ai_dst_len)) { + data->flags = ACM_EP_FLAG_DEST; + if (hints->ai_flags & (RAI_NUMERICHOST | RAI_NOROUTE)) + data->flags |= ACM_FLAGS_NODELAY; + ucma_set_ep_addr(data, (*rai)->ai_dst_addr); + data++; + msg.hdr.length += ACM_MSG_EP_LENGTH; + } + + if (hints->ai_route_len || + ucma_ib_addr((*rai)->ai_src_addr, (*rai)->ai_src_len) || + ucma_ib_addr((*rai)->ai_dst_addr, (*rai)->ai_dst_len)) { + struct ibv_path_record *path; + + if (hints->ai_route_len == sizeof(struct ibv_path_record)) + path = (struct ibv_path_record *) hints->ai_route; + else if (hints->ai_route_len == sizeof(struct ibv_path_data)) + path = &((struct ibv_path_data *) hints->ai_route)->path; + else + path = NULL; + + if (path) + memcpy(&data->info.path, path, sizeof(*path)); + + if (ucma_ib_addr((*rai)->ai_src_addr, (*rai)->ai_src_len)) { + memcpy(&data->info.path.sgid, + &((struct sockaddr_ib *) (*rai)->ai_src_addr)->sib_addr, 16); + } + if (ucma_ib_addr((*rai)->ai_dst_addr, (*rai)->ai_dst_len)) { + memcpy(&data->info.path.dgid, + &((struct sockaddr_ib *) (*rai)->ai_dst_addr)->sib_addr, 16); + } + data->type = ACM_EP_INFO_PATH; + data++; + msg.hdr.length += ACM_MSG_EP_LENGTH; + } + + pthread_mutex_lock(&acm_lock); + ret = send(sock, (char *) &msg, msg.hdr.length, 0); + if (ret != msg.hdr.length) { + pthread_mutex_unlock(&acm_lock); + return; + } + + ret = recv(sock, (char *) &msg, sizeof msg, 0); + pthread_mutex_unlock(&acm_lock); + if (ret < ACM_MSG_HDR_LENGTH || ret != msg.hdr.length || msg.hdr.status) + return; + + ucma_ib_save_resp(*rai, &msg); + + if (af_ib_support && !(hints->ai_flags & RAI_ROUTEONLY) && (*rai)->ai_route_len) + ucma_resolve_af_ib(rai); +} Index: contrib/ofed/librdmacm/src/addrinfo.c =================================================================== --- /dev/null +++ contrib/ofed/librdmacm/src/addrinfo.c @@ -0,0 +1,319 @@ +/* + * Copyright (c) 2010-2014 Intel Corporation. All rights reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * OpenIB.org BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * $Id: cm.c 3453 2005-09-15 21:43:21Z sean.hefty $ + */ + +#if HAVE_CONFIG_H +# include +#endif /* HAVE_CONFIG_H */ + +#include +#include +#include +#include + +#include "cma.h" +#include +#include + +struct rdma_addrinfo nohints; + +static void ucma_convert_to_ai(struct addrinfo *ai, struct rdma_addrinfo *rai) +{ + memset(ai, 0, sizeof *ai); + if (rai->ai_flags & RAI_PASSIVE) + ai->ai_flags = AI_PASSIVE; + if (rai->ai_flags & RAI_NUMERICHOST) + ai->ai_flags |= AI_NUMERICHOST; + if (rai->ai_family != AF_IB) + ai->ai_family = rai->ai_family; + + switch (rai->ai_qp_type) { + case IBV_QPT_RC: + case IBV_QPT_UC: + case IBV_QPT_XRC_SEND: + case IBV_QPT_XRC_RECV: + ai->ai_socktype = SOCK_STREAM; + break; + case IBV_QPT_UD: + ai->ai_socktype = SOCK_DGRAM; + break; + } + + switch (rai->ai_port_space) { + case RDMA_PS_TCP: + ai->ai_protocol = IPPROTO_TCP; + break; + case RDMA_PS_IPOIB: + case RDMA_PS_UDP: + ai->ai_protocol = IPPROTO_UDP; + break; + case RDMA_PS_IB: + if (ai->ai_socktype == SOCK_STREAM) + ai->ai_protocol = IPPROTO_TCP; + else if (ai->ai_socktype == SOCK_DGRAM) + ai->ai_protocol = IPPROTO_UDP; + break; + } + + if (rai->ai_flags & RAI_PASSIVE) { + ai->ai_addrlen = rai->ai_src_len; + ai->ai_addr = rai->ai_src_addr; + } else { + ai->ai_addrlen = rai->ai_dst_len; + ai->ai_addr = rai->ai_dst_addr; + } + ai->ai_canonname = rai->ai_dst_canonname; + ai->ai_next = NULL; +} + +static int ucma_copy_addr(struct sockaddr **dst, socklen_t *dst_len, + struct sockaddr *src, socklen_t src_len) +{ + *dst = malloc(src_len); + if (!(*dst)) + return ERR(ENOMEM); + + memcpy(*dst, src, src_len); + *dst_len = src_len; + return 0; +} + +void ucma_set_sid(enum rdma_port_space ps, struct sockaddr *addr, + struct sockaddr_ib *sib) +{ + uint16_t port; + + port = addr ? ucma_get_port(addr) : 0; + sib->sib_sid = htonll(((uint64_t) ps << 16) + ntohs(port)); + + if (ps) + sib->sib_sid_mask = htonll(RDMA_IB_IP_PS_MASK); + if (port) + sib->sib_sid_mask |= htonll(RDMA_IB_IP_PORT_MASK); +} + +static int ucma_convert_in6(int ps, struct sockaddr_ib **dst, socklen_t *dst_len, + struct sockaddr_in6 *src, socklen_t src_len) +{ + *dst = calloc(1, sizeof(struct sockaddr_ib)); + if (!(*dst)) + return ERR(ENOMEM); + + (*dst)->sib_family = AF_IB; + (*dst)->sib_pkey = 0xFFFF; + (*dst)->sib_flowinfo = src->sin6_flowinfo; + ib_addr_set(&(*dst)->sib_addr, src->sin6_addr.s6_addr32[0], + src->sin6_addr.s6_addr32[1], src->sin6_addr.s6_addr32[2], + src->sin6_addr.s6_addr32[3]); + ucma_set_sid(ps, (struct sockaddr *) src, *dst); + (*dst)->sib_scope_id = src->sin6_scope_id; + + *dst_len = sizeof(struct sockaddr_ib); + return 0; +} + +static int ucma_convert_to_rai(struct rdma_addrinfo *rai, + struct rdma_addrinfo *hints, struct addrinfo *ai) +{ + int ret; + + if (hints->ai_qp_type) { + rai->ai_qp_type = hints->ai_qp_type; + } else { + switch (ai->ai_socktype) { + case SOCK_STREAM: + rai->ai_qp_type = IBV_QPT_RC; + break; + case SOCK_DGRAM: + rai->ai_qp_type = IBV_QPT_UD; + break; + } + } + + if (hints->ai_port_space) { + rai->ai_port_space = hints->ai_port_space; + } else { + switch (ai->ai_protocol) { + case IPPROTO_TCP: + rai->ai_port_space = RDMA_PS_TCP; + break; + case IPPROTO_UDP: + rai->ai_port_space = RDMA_PS_UDP; + break; + } + } + + if (ai->ai_flags & AI_PASSIVE) { + rai->ai_flags = RAI_PASSIVE; + if (ai->ai_canonname) + rai->ai_src_canonname = strdup(ai->ai_canonname); + + if ((hints->ai_flags & RAI_FAMILY) && (hints->ai_family == AF_IB) && + (hints->ai_flags & RAI_NUMERICHOST)) { + rai->ai_family = AF_IB; + ret = ucma_convert_in6(rai->ai_port_space, + (struct sockaddr_ib **) &rai->ai_src_addr, + &rai->ai_src_len, + (struct sockaddr_in6 *) ai->ai_addr, + ai->ai_addrlen); + } else { + rai->ai_family = ai->ai_family; + ret = ucma_copy_addr(&rai->ai_src_addr, &rai->ai_src_len, + ai->ai_addr, ai->ai_addrlen); + } + } else { + if (ai->ai_canonname) + rai->ai_dst_canonname = strdup(ai->ai_canonname); + + if ((hints->ai_flags & RAI_FAMILY) && (hints->ai_family == AF_IB) && + (hints->ai_flags & RAI_NUMERICHOST)) { + rai->ai_family = AF_IB; + ret = ucma_convert_in6(rai->ai_port_space, + (struct sockaddr_ib **) &rai->ai_dst_addr, + &rai->ai_dst_len, + (struct sockaddr_in6 *) ai->ai_addr, + ai->ai_addrlen); + } else { + rai->ai_family = ai->ai_family; + ret = ucma_copy_addr(&rai->ai_dst_addr, &rai->ai_dst_len, + ai->ai_addr, ai->ai_addrlen); + } + } + return ret; +} + +static int ucma_getaddrinfo(char *node, char *service, + struct rdma_addrinfo *hints, + struct rdma_addrinfo *rai) +{ + struct addrinfo ai_hints; + struct addrinfo *ai; + int ret; + + if (hints != &nohints) { + ucma_convert_to_ai(&ai_hints, hints); + ret = getaddrinfo(node, service, &ai_hints, &ai); + } else { + ret = getaddrinfo(node, service, NULL, &ai); + } + if (ret) + return ret; + + ret = ucma_convert_to_rai(rai, hints, ai); + freeaddrinfo(ai); + return ret; +} + +int rdma_getaddrinfo(char *node, char *service, + struct rdma_addrinfo *hints, + struct rdma_addrinfo **res) +{ + struct rdma_addrinfo *rai; + int ret; + + if (!service && !node && !hints) + return ERR(EINVAL); + + ret = ucma_init(); + if (ret) + return ret; + + rai = calloc(1, sizeof(*rai)); + if (!rai) + return ERR(ENOMEM); + + if (!hints) + hints = &nohints; + + if (node || service) { + ret = ucma_getaddrinfo(node, service, hints, rai); + } else { + rai->ai_flags = hints->ai_flags; + rai->ai_family = hints->ai_family; + rai->ai_qp_type = hints->ai_qp_type; + rai->ai_port_space = hints->ai_port_space; + if (hints->ai_dst_len) { + ret = ucma_copy_addr(&rai->ai_dst_addr, &rai->ai_dst_len, + hints->ai_dst_addr, hints->ai_dst_len); + } + } + if (ret) + goto err; + + if (!rai->ai_src_len && hints->ai_src_len) { + ret = ucma_copy_addr(&rai->ai_src_addr, &rai->ai_src_len, + hints->ai_src_addr, hints->ai_src_len); + if (ret) + goto err; + } + + if (!(rai->ai_flags & RAI_PASSIVE)) + ucma_ib_resolve(&rai, hints); + + *res = rai; + return 0; + +err: + rdma_freeaddrinfo(rai); + return ret; +} + +void rdma_freeaddrinfo(struct rdma_addrinfo *res) +{ + struct rdma_addrinfo *rai; + + while (res) { + rai = res; + res = res->ai_next; + + if (rai->ai_connect) + free(rai->ai_connect); + + if (rai->ai_route) + free(rai->ai_route); + + if (rai->ai_src_canonname) + free(rai->ai_src_canonname); + + if (rai->ai_dst_canonname) + free(rai->ai_dst_canonname); + + if (rai->ai_src_addr) + free(rai->ai_src_addr); + + if (rai->ai_dst_addr) + free(rai->ai_dst_addr); + + free(rai); + } +} Index: contrib/ofed/librdmacm/src/cma.h =================================================================== --- /dev/null +++ contrib/ofed/librdmacm/src/cma.h @@ -0,0 +1,191 @@ +/* + * Copyright (c) 2005-2014 Intel Corporation. All rights reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * OpenIB.org BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + */ + +#if !defined(CMA_H) +#define CMA_H + +#if HAVE_CONFIG_H +# include +#endif /* HAVE_CONFIG_H */ + +#include +#include +#include +#include +#include + +#include +#include + +#ifdef INCLUDE_VALGRIND +# include +# ifndef VALGRIND_MAKE_MEM_DEFINED +# warning "Valgrind requested, but VALGRIND_MAKE_MEM_DEFINED undefined" +# endif +#endif + +#ifndef VALGRIND_MAKE_MEM_DEFINED +# define VALGRIND_MAKE_MEM_DEFINED(addr,len) +#endif + +#define PFX "librdmacm: " + +#if __BYTE_ORDER == __LITTLE_ENDIAN +static inline uint64_t htonll(uint64_t x) { return bswap_64(x); } +static inline uint64_t ntohll(uint64_t x) { return bswap_64(x); } +#else +static inline uint64_t htonll(uint64_t x) { return x; } +static inline uint64_t ntohll(uint64_t x) { return x; } +#endif + +#define max(a, b) ((a) > (b) ? a : b) +#define min(a, b) ((a) < (b) ? a : b) + +#ifndef container_of +#define container_of(ptr, type, field) \ + ((type *) ((void *)ptr - offsetof(type, field))) +#endif + + +/* + * Fast synchronization for low contention locking. + */ +#if DEFINE_ATOMICS +#define fastlock_t pthread_mutex_t +#define fastlock_init(lock) pthread_mutex_init(lock, NULL) +#define fastlock_destroy(lock) pthread_mutex_destroy(lock) +#define fastlock_acquire(lock) pthread_mutex_lock(lock) +#define fastlock_release(lock) pthread_mutex_unlock(lock) + +typedef struct { pthread_mutex_t mut; int val; } atomic_t; +static inline int atomic_inc(atomic_t *atomic) +{ + int v; + + pthread_mutex_lock(&atomic->mut); + v = ++(atomic->val); + pthread_mutex_unlock(&atomic->mut); + return v; +} +static inline int atomic_dec(atomic_t *atomic) +{ + int v; + + pthread_mutex_lock(&atomic->mut); + v = --(atomic->val); + pthread_mutex_unlock(&atomic->mut); + return v; +} +static inline void atomic_init(atomic_t *atomic) +{ + pthread_mutex_init(&atomic->mut, NULL); + atomic->val = 0; +} +#else +typedef struct { + sem_t sem; + volatile int cnt; +} fastlock_t; +static inline void fastlock_init(fastlock_t *lock) +{ + sem_init(&lock->sem, 0, 0); + lock->cnt = 0; +} +static inline void fastlock_destroy(fastlock_t *lock) +{ + sem_destroy(&lock->sem); +} +static inline void fastlock_acquire(fastlock_t *lock) +{ + if (__sync_add_and_fetch(&lock->cnt, 1) > 1) + sem_wait(&lock->sem); +} +static inline void fastlock_release(fastlock_t *lock) +{ + if (__sync_sub_and_fetch(&lock->cnt, 1) > 0) + sem_post(&lock->sem); +} + +typedef struct { volatile int val; } atomic_t; +#define atomic_inc(v) (__sync_add_and_fetch(&(v)->val, 1)) +#define atomic_dec(v) (__sync_sub_and_fetch(&(v)->val, 1)) +#define atomic_init(v) ((v)->val = 0) +#endif /* DEFINE_ATOMICS */ +#define atomic_get(v) ((v)->val) +#define atomic_set(v, s) ((v)->val = s) + +uint16_t ucma_get_port(struct sockaddr *addr); +int ucma_addrlen(struct sockaddr *addr); +void ucma_set_sid(enum rdma_port_space ps, struct sockaddr *addr, + struct sockaddr_ib *sib); +int ucma_max_qpsize(struct rdma_cm_id *id); +int ucma_complete(struct rdma_cm_id *id); +int ucma_shutdown(struct rdma_cm_id *id); + +static inline int ERR(int err) +{ + errno = err; + return -1; +} + +int ucma_init(void); +extern int af_ib_support; + +#define RAI_ROUTEONLY 0x01000000 + +void ucma_ib_init(); +void ucma_ib_cleanup(); +void ucma_ib_resolve(struct rdma_addrinfo **rai, struct rdma_addrinfo *hints); + +struct ib_connect_hdr { + uint8_t cma_version; + uint8_t ip_version; /* IP version: 7:4 */ + uint16_t port; + uint32_t src_addr[4]; + uint32_t dst_addr[4]; +#define cma_src_ip4 src_addr[3] +#define cma_src_ip6 src_addr[0] +#define cma_dst_ip4 dst_addr[3] +#define cma_dst_ip6 dst_addr[0] +}; + +#ifndef SYSCONFDIR +#define SYSCONFDIR "/etc" +#endif +#ifndef RDMADIR +#define RDMADIR "rdma" +#endif +#define RDMA_CONF_DIR SYSCONFDIR "/" RDMADIR +#define RS_CONF_DIR RDMA_CONF_DIR "/rsocket" + +#endif /* CMA_H */ Index: contrib/ofed/librdmacm/src/cma.c =================================================================== --- contrib/ofed/librdmacm/src/cma.c +++ contrib/ofed/librdmacm/src/cma.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2005-2006 Intel Corporation. All rights reserved. + * Copyright (c) 2005-2014 Intel Corporation. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU @@ -28,8 +28,6 @@ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. - * - * $Id: cm.c 3453 2005-09-15 21:43:21Z sean.hefty $ */ #if HAVE_CONFIG_H @@ -46,95 +44,68 @@ #include #include #include -#include -#include +#include +#include #include +#include +#include +#include +#include "cma.h" +#include "indexer.h" #include #include #include #include - -#ifdef INCLUDE_VALGRIND -# include -# ifndef VALGRIND_MAKE_MEM_DEFINED -# warning "Valgrind requested, but VALGRIND_MAKE_MEM_DEFINED undefined" -# endif -#endif - -#ifndef VALGRIND_MAKE_MEM_DEFINED -# define VALGRIND_MAKE_MEM_DEFINED(addr,len) -#endif - -#define PFX "librdmacm: " - -#if __BYTE_ORDER == __LITTLE_ENDIAN -static inline uint64_t htonll(uint64_t x) { return bswap_64(x); } -static inline uint64_t ntohll(uint64_t x) { return bswap_64(x); } -#else -static inline uint64_t htonll(uint64_t x) { return x; } -static inline uint64_t ntohll(uint64_t x) { return x; } -#endif - -static inline int ERR(int err) -{ - errno = err; - return -1; -} - -#define CMA_CREATE_MSG_CMD_RESP(msg, cmd, resp, type, size) \ -do { \ - struct ucma_abi_cmd_hdr *hdr; \ - \ - size = sizeof(*hdr) + sizeof(*cmd); \ - msg = alloca(size); \ - if (!msg) \ - return ERR(ENOMEM); \ - hdr = msg; \ - cmd = msg + sizeof(*hdr); \ - hdr->cmd = type; \ - hdr->in = sizeof(*cmd); \ - hdr->out = sizeof(*resp); \ - memset(cmd, 0, sizeof(*cmd)); \ - resp = alloca(sizeof(*resp)); \ - if (!resp) \ - return ERR(ENOMEM); \ - cmd->response = (uintptr_t)resp;\ +#include +#include + +#define CMA_INIT_CMD(req, req_size, op) \ +do { \ + memset(req, 0, req_size); \ + (req)->cmd = UCMA_CMD_##op; \ + (req)->in = req_size - sizeof(struct ucma_abi_cmd_hdr); \ } while (0) -#define CMA_CREATE_MSG_CMD(msg, cmd, type, size) \ -do { \ - struct ucma_abi_cmd_hdr *hdr; \ - \ - size = sizeof(*hdr) + sizeof(*cmd); \ - msg = alloca(size); \ - if (!msg) \ - return ERR(ENOMEM); \ - hdr = msg; \ - cmd = msg + sizeof(*hdr); \ - hdr->cmd = type; \ - hdr->in = sizeof(*cmd); \ - hdr->out = 0; \ - memset(cmd, 0, sizeof(*cmd)); \ +#define CMA_INIT_CMD_RESP(req, req_size, op, resp, resp_size) \ +do { \ + CMA_INIT_CMD(req, req_size, op); \ + (req)->out = resp_size; \ + (req)->response = (uintptr_t) (resp); \ } while (0) +struct cma_port { + uint8_t link_layer; +}; + struct cma_device { struct ibv_context *verbs; + struct ibv_pd *pd; + struct ibv_xrcd *xrcd; + struct cma_port *port; uint64_t guid; int port_cnt; + int refcnt; + int max_qpsize; uint8_t max_initiator_depth; uint8_t max_responder_resources; }; struct cma_id_private { - struct rdma_cm_id id; - struct cma_device *cma_dev; - int events_completed; - int connect_error; - pthread_cond_t cond; - pthread_mutex_t mut; - uint32_t handle; - struct cma_multicast *mc_list; + struct rdma_cm_id id; + struct cma_device *cma_dev; + void *connect; + size_t connect_len; + int events_completed; + int connect_error; + int sync; + pthread_cond_t cond; + pthread_mutex_t mut; + uint32_t handle; + struct cma_multicast *mc_list; + struct ibv_qp_init_attr *qp_init_attr; + uint8_t initiator_depth; + uint8_t responder_resources; }; struct cma_multicast { @@ -158,18 +129,30 @@ static struct cma_device *cma_dev_array; static int cma_dev_cnt; +static int cma_init_cnt; static pthread_mutex_t mut = PTHREAD_MUTEX_INITIALIZER; static int abi_ver = RDMA_USER_CM_MAX_ABI_VERSION; - -#define container_of(ptr, type, field) \ - ((type *) ((void *)ptr - offsetof(type, field))) +int af_ib_support; +static struct index_map ucma_idm; +static fastlock_t idm_lock; static void ucma_cleanup(void) { + ucma_ib_cleanup(); + if (cma_dev_cnt) { - while (cma_dev_cnt) - ibv_close_device(cma_dev_array[--cma_dev_cnt].verbs); - + while (cma_dev_cnt--) { + if (!cma_dev_array[cma_dev_cnt].verbs) + continue; + + if (cma_dev_array[cma_dev_cnt].refcnt) + ibv_dealloc_pd(cma_dev_array[cma_dev_cnt].pd); + ibv_close_device(cma_dev_array[cma_dev_cnt].verbs); + free(cma_dev_array[cma_dev_cnt].port); + cma_init_cnt--; + } + + fastlock_destroy(&idm_lock); free(cma_dev_array); cma_dev_cnt = 0; } @@ -190,87 +173,183 @@ * backports, assume the most recent version of the ABI. If * we're wrong, we'll simply fail later when calling the ABI. */ - fprintf(stderr, "librdmacm: couldn't read ABI version.\n"); - fprintf(stderr, "librdmacm: assuming: %d\n", abi_ver); return 0; } abi_ver = strtol(value, NULL, 10); if (abi_ver < RDMA_USER_CM_MIN_ABI_VERSION || abi_ver > RDMA_USER_CM_MAX_ABI_VERSION) { - fprintf(stderr, "librdmacm: kernel ABI version %d " - "doesn't match library version %d.\n", - abi_ver, RDMA_USER_CM_MAX_ABI_VERSION); return -1; } return 0; } -static int ucma_init(void) +/* + * This function is called holding the mutex lock + * cma_dev_cnt must be set before calling this function to + * ensure that the lock is not acquired recursively. + */ +static void ucma_set_af_ib_support(void) +{ + struct rdma_cm_id *id; + struct sockaddr_ib sib; + int ret; + + ret = rdma_create_id(NULL, &id, NULL, RDMA_PS_IB); + if (ret) + return; + + memset(&sib, 0, sizeof sib); + sib.sib_family = AF_IB; + sib.sib_sid = htonll(RDMA_IB_IP_PS_TCP); + sib.sib_sid_mask = htonll(RDMA_IB_IP_PS_MASK); + af_ib_support = 1; + ret = rdma_bind_addr(id, (struct sockaddr *) &sib); + af_ib_support = !ret; + + rdma_destroy_id(id); +} + +int ucma_init(void) { struct ibv_device **dev_list = NULL; - struct cma_device *cma_dev; - struct ibv_device_attr attr; int i, ret, dev_cnt; + /* Quick check without lock to see if we're already initialized */ + if (cma_dev_cnt) + return 0; + pthread_mutex_lock(&mut); if (cma_dev_cnt) { pthread_mutex_unlock(&mut); return 0; } + fastlock_init(&idm_lock); ret = check_abi_version(); if (ret) goto err1; dev_list = ibv_get_device_list(&dev_cnt); if (!dev_list) { - printf("CMA: unable to get RDMA device list\n"); ret = ERR(ENODEV); goto err1; } - cma_dev_array = malloc(sizeof *cma_dev * dev_cnt); + if (!dev_cnt) { + ret = ERR(ENODEV); + goto err2; + } + + cma_dev_array = calloc(dev_cnt, sizeof *cma_dev_array); if (!cma_dev_array) { ret = ERR(ENOMEM); goto err2; } - for (i = 0; dev_list[i];) { - cma_dev = &cma_dev_array[i]; - - cma_dev->guid = ibv_get_device_guid(dev_list[i]); - cma_dev->verbs = ibv_open_device(dev_list[i]); - if (!cma_dev->verbs) { - printf("CMA: unable to open RDMA device\n"); - ret = ERR(ENODEV); - goto err3; - } - - i++; - ret = ibv_query_device(cma_dev->verbs, &attr); - if (ret) { - printf("CMA: unable to query RDMA device\n"); - goto err3; - } - - cma_dev->port_cnt = attr.phys_port_cnt; - cma_dev->max_initiator_depth = (uint8_t) attr.max_qp_init_rd_atom; - cma_dev->max_responder_resources = (uint8_t) attr.max_qp_rd_atom; - } + for (i = 0; dev_list[i]; i++) + cma_dev_array[i].guid = ibv_get_device_guid(dev_list[i]); cma_dev_cnt = dev_cnt; + ucma_set_af_ib_support(); pthread_mutex_unlock(&mut); ibv_free_device_list(dev_list); return 0; -err3: - while (i--) - ibv_close_device(cma_dev_array[i].verbs); - free(cma_dev_array); err2: ibv_free_device_list(dev_list); err1: + fastlock_destroy(&idm_lock); + pthread_mutex_unlock(&mut); + return ret; +} + +static struct ibv_context *ucma_open_device(uint64_t guid) +{ + struct ibv_device **dev_list; + struct ibv_context *verbs = NULL; + int i; + + dev_list = ibv_get_device_list(NULL); + if (!dev_list) { + return NULL; + } + + for (i = 0; dev_list[i]; i++) { + if (ibv_get_device_guid(dev_list[i]) == guid) { + verbs = ibv_open_device(dev_list[i]); + break; + } + } + + ibv_free_device_list(dev_list); + return verbs; +} + +static int ucma_init_device(struct cma_device *cma_dev) +{ + struct ibv_port_attr port_attr; + struct ibv_device_attr attr; + int i, ret; + + if (cma_dev->verbs) + return 0; + + cma_dev->verbs = ucma_open_device(cma_dev->guid); + if (!cma_dev->verbs) + return ERR(ENODEV); + + ret = ibv_query_device(cma_dev->verbs, &attr); + if (ret) { + ret = ERR(ret); + goto err; + } + + cma_dev->port = malloc(sizeof *cma_dev->port * attr.phys_port_cnt); + if (!cma_dev->port) { + ret = ERR(ENOMEM); + goto err; + } + + for (i = 1; i <= attr.phys_port_cnt; i++) { + if (ibv_query_port(cma_dev->verbs, i, &port_attr)) + cma_dev->port[i - 1].link_layer = IBV_LINK_LAYER_UNSPECIFIED; + else + cma_dev->port[i - 1].link_layer = port_attr.link_layer; + } + + cma_dev->port_cnt = attr.phys_port_cnt; + cma_dev->max_qpsize = attr.max_qp_wr; + cma_dev->max_initiator_depth = (uint8_t) attr.max_qp_init_rd_atom; + cma_dev->max_responder_resources = (uint8_t) attr.max_qp_rd_atom; + cma_init_cnt++; + return 0; + +err: + ibv_close_device(cma_dev->verbs); + cma_dev->verbs = NULL; + return ret; +} + +static int ucma_init_all(void) +{ + int i, ret = 0; + + if (!cma_dev_cnt) { + ret = ucma_init(); + if (ret) + return ret; + } + + if (cma_init_cnt == cma_dev_cnt) + return 0; + + pthread_mutex_lock(&mut); + for (i = 0; i < cma_dev_cnt; i++) { + ret = ucma_init_device(&cma_dev_array[i]); + if (ret) + break; + } pthread_mutex_unlock(&mut); return ret; } @@ -280,7 +359,7 @@ struct ibv_context **devs = NULL; int i; - if (!cma_dev_cnt && ucma_init()) + if (ucma_init_all()) goto out; devs = malloc(sizeof *devs * (cma_dev_cnt + 1)); @@ -310,16 +389,15 @@ { struct rdma_event_channel *channel; - if (!cma_dev_cnt && ucma_init()) + if (ucma_init()) return NULL; channel = malloc(sizeof *channel); if (!channel) return NULL; - channel->fd = open("/dev/rdma_cm", O_RDWR); + channel->fd = open("/dev/rdma_cm", O_RDWR | O_CLOEXEC); if (channel->fd < 0) { - printf("CMA: unable to open /dev/rdma_cm\n"); goto err; } return channel; @@ -337,43 +415,123 @@ static int ucma_get_device(struct cma_id_private *id_priv, uint64_t guid) { struct cma_device *cma_dev; - int i; + int i, ret; for (i = 0; i < cma_dev_cnt; i++) { cma_dev = &cma_dev_array[i]; - if (cma_dev->guid == guid) { - id_priv->cma_dev = cma_dev; - id_priv->id.verbs = cma_dev->verbs; - return 0; - } + if (cma_dev->guid == guid) + goto match; } return ERR(ENODEV); +match: + pthread_mutex_lock(&mut); + if ((ret = ucma_init_device(cma_dev))) + goto out; + + if (!cma_dev->refcnt++) { + cma_dev->pd = ibv_alloc_pd(cma_dev->verbs); + if (!cma_dev->pd) { + cma_dev->refcnt--; + ret = ERR(ENOMEM); + goto out; + } + } + id_priv->cma_dev = cma_dev; + id_priv->id.verbs = cma_dev->verbs; + id_priv->id.pd = cma_dev->pd; +out: + pthread_mutex_unlock(&mut); + return ret; +} + +static void ucma_put_device(struct cma_device *cma_dev) +{ + pthread_mutex_lock(&mut); + if (!--cma_dev->refcnt) { + ibv_dealloc_pd(cma_dev->pd); + if (cma_dev->xrcd) + ibv_close_xrcd(cma_dev->xrcd); + } + pthread_mutex_unlock(&mut); +} + +static struct ibv_xrcd *ucma_get_xrcd(struct cma_device *cma_dev) +{ + struct ibv_xrcd_init_attr attr; + + pthread_mutex_lock(&mut); + if (!cma_dev->xrcd) { + memset(&attr, 0, sizeof attr); + attr.comp_mask = IBV_XRCD_INIT_ATTR_FD | IBV_XRCD_INIT_ATTR_OFLAGS; + attr.fd = -1; + attr.oflags = O_CREAT; + cma_dev->xrcd = ibv_open_xrcd(cma_dev->verbs, &attr); + } + pthread_mutex_unlock(&mut); + return cma_dev->xrcd; +} + +static void ucma_insert_id(struct cma_id_private *id_priv) +{ + fastlock_acquire(&idm_lock); + idm_set(&ucma_idm, id_priv->handle, id_priv); + fastlock_release(&idm_lock); +} + +static void ucma_remove_id(struct cma_id_private *id_priv) +{ + if (id_priv->handle <= IDX_MAX_INDEX) + idm_clear(&ucma_idm, id_priv->handle); +} + +static struct cma_id_private *ucma_lookup_id(int handle) +{ + return idm_lookup(&ucma_idm, handle); } static void ucma_free_id(struct cma_id_private *id_priv) { + ucma_remove_id(id_priv); + if (id_priv->cma_dev) + ucma_put_device(id_priv->cma_dev); pthread_cond_destroy(&id_priv->cond); pthread_mutex_destroy(&id_priv->mut); if (id_priv->id.route.path_rec) free(id_priv->id.route.path_rec); + + if (id_priv->sync) + rdma_destroy_event_channel(id_priv->id.channel); + if (id_priv->connect_len) + free(id_priv->connect); free(id_priv); } static struct cma_id_private *ucma_alloc_id(struct rdma_event_channel *channel, void *context, - enum rdma_port_space ps) + enum rdma_port_space ps, + enum ibv_qp_type qp_type) { struct cma_id_private *id_priv; - id_priv = malloc(sizeof *id_priv); + id_priv = calloc(1, sizeof *id_priv); if (!id_priv) return NULL; - memset(id_priv, 0, sizeof *id_priv); id_priv->id.context = context; id_priv->id.ps = ps; - id_priv->id.channel = channel; + id_priv->id.qp_type = qp_type; + id_priv->handle = 0xFFFFFFFF; + + if (!channel) { + id_priv->id.channel = rdma_create_event_channel(); + if (!id_priv->id.channel) + goto err; + id_priv->sync = 1; + } else { + id_priv->id.channel = channel; + } + pthread_mutex_init(&id_priv->mut, NULL); if (pthread_cond_init(&id_priv->cond, NULL)) goto err; @@ -384,35 +542,36 @@ return NULL; } -int rdma_create_id(struct rdma_event_channel *channel, - struct rdma_cm_id **id, void *context, - enum rdma_port_space ps) +static int rdma_create_id2(struct rdma_event_channel *channel, + struct rdma_cm_id **id, void *context, + enum rdma_port_space ps, enum ibv_qp_type qp_type) { - struct ucma_abi_create_id_resp *resp; - struct ucma_abi_create_id *cmd; + struct ucma_abi_create_id_resp resp; + struct ucma_abi_create_id cmd; struct cma_id_private *id_priv; - void *msg; - int ret, size; + int ret; - ret = cma_dev_cnt ? 0 : ucma_init(); + ret = ucma_init(); if (ret) return ret; - id_priv = ucma_alloc_id(channel, context, ps); + id_priv = ucma_alloc_id(channel, context, ps, qp_type); if (!id_priv) return ERR(ENOMEM); - CMA_CREATE_MSG_CMD_RESP(msg, cmd, resp, UCMA_CMD_CREATE_ID, size); - cmd->uid = (uintptr_t) id_priv; - cmd->ps = ps; + CMA_INIT_CMD_RESP(&cmd, sizeof cmd, CREATE_ID, &resp, sizeof resp); + cmd.uid = (uintptr_t) id_priv; + cmd.ps = ps; + cmd.qp_type = qp_type; - ret = write(channel->fd, msg, size); - if (ret != size) + ret = write(id_priv->id.channel->fd, &cmd, sizeof cmd); + if (ret != sizeof cmd) goto err; - VALGRIND_MAKE_MEM_DEFINED(resp, sizeof *resp); + VALGRIND_MAKE_MEM_DEFINED(&resp, sizeof resp); - id_priv->handle = resp->id; + id_priv->handle = resp.id; + ucma_insert_id(id_priv); *id = &id_priv->id; return 0; @@ -420,23 +579,33 @@ return ret; } +int rdma_create_id(struct rdma_event_channel *channel, + struct rdma_cm_id **id, void *context, + enum rdma_port_space ps) +{ + enum ibv_qp_type qp_type; + + qp_type = (ps == RDMA_PS_IPOIB || ps == RDMA_PS_UDP) ? + IBV_QPT_UD : IBV_QPT_RC; + return rdma_create_id2(channel, id, context, ps, qp_type); +} + static int ucma_destroy_kern_id(int fd, uint32_t handle) { - struct ucma_abi_destroy_id_resp *resp; - struct ucma_abi_destroy_id *cmd; - void *msg; - int ret, size; + struct ucma_abi_destroy_id_resp resp; + struct ucma_abi_destroy_id cmd; + int ret; - CMA_CREATE_MSG_CMD_RESP(msg, cmd, resp, UCMA_CMD_DESTROY_ID, size); - cmd->id = handle; + CMA_INIT_CMD_RESP(&cmd, sizeof cmd, DESTROY_ID, &resp, sizeof resp); + cmd.id = handle; - ret = write(fd, msg, size); - if (ret != size) - return (ret >= 0) ? ERR(ECONNREFUSED) : -1; + ret = write(fd, &cmd, sizeof cmd); + if (ret != sizeof cmd) + return (ret >= 0) ? ERR(ENODATA) : -1; - VALGRIND_MAKE_MEM_DEFINED(resp, sizeof *resp); + VALGRIND_MAKE_MEM_DEFINED(&resp, sizeof resp); - return resp->events_reported; + return resp.events_reported; } int rdma_destroy_id(struct rdma_cm_id *id) @@ -449,6 +618,9 @@ if (ret < 0) return ret; + if (id_priv->id.event) + rdma_ack_cm_event(id_priv->id.event); + pthread_mutex_lock(&id_priv->mut); while (id_priv->events_completed < ret) pthread_cond_wait(&id_priv->cond, &id_priv->mut); @@ -458,7 +630,7 @@ return 0; } -static int ucma_addrlen(struct sockaddr *addr) +int ucma_addrlen(struct sockaddr *addr) { if (!addr) return 0; @@ -468,166 +640,412 @@ return sizeof(struct sockaddr_in); case PF_INET6: return sizeof(struct sockaddr_in6); + case PF_IB: + return af_ib_support ? sizeof(struct sockaddr_ib) : 0; default: return 0; } } -static int ucma_query_route(struct rdma_cm_id *id) +static int ucma_query_addr(struct rdma_cm_id *id) { - struct ucma_abi_query_route_resp *resp; - struct ucma_abi_query_route *cmd; + struct ucma_abi_query_addr_resp resp; + struct ucma_abi_query cmd; struct cma_id_private *id_priv; - void *msg; - int ret, size, i; + int ret; - CMA_CREATE_MSG_CMD_RESP(msg, cmd, resp, UCMA_CMD_QUERY_ROUTE, size); + CMA_INIT_CMD_RESP(&cmd, sizeof cmd, QUERY, &resp, sizeof resp); id_priv = container_of(id, struct cma_id_private, id); - cmd->id = id_priv->handle; + cmd.id = id_priv->handle; + cmd.option = UCMA_QUERY_ADDR; + + ret = write(id->channel->fd, &cmd, sizeof cmd); + if (ret != sizeof cmd) + return (ret >= 0) ? ERR(ENODATA) : -1; + + VALGRIND_MAKE_MEM_DEFINED(&resp, sizeof resp); + + memcpy(&id->route.addr.src_addr, &resp.src_addr, resp.src_size); + memcpy(&id->route.addr.dst_addr, &resp.dst_addr, resp.dst_size); - ret = write(id->channel->fd, msg, size); - if (ret != size) - return (ret >= 0) ? ERR(ECONNREFUSED) : -1; + if (!id_priv->cma_dev && resp.node_guid) { + ret = ucma_get_device(id_priv, resp.node_guid); + if (ret) + return ret; + id->port_num = resp.port_num; + id->route.addr.addr.ibaddr.pkey = resp.pkey; + } + + return 0; +} - VALGRIND_MAKE_MEM_DEFINED(resp, sizeof *resp); +static int ucma_query_gid(struct rdma_cm_id *id) +{ + struct ucma_abi_query_addr_resp resp; + struct ucma_abi_query cmd; + struct cma_id_private *id_priv; + struct sockaddr_ib *sib; + int ret; + + CMA_INIT_CMD_RESP(&cmd, sizeof cmd, QUERY, &resp, sizeof resp); + id_priv = container_of(id, struct cma_id_private, id); + cmd.id = id_priv->handle; + cmd.option = UCMA_QUERY_GID; + + ret = write(id->channel->fd, &cmd, sizeof cmd); + if (ret != sizeof cmd) + return (ret >= 0) ? ERR(ENODATA) : -1; + + VALGRIND_MAKE_MEM_DEFINED(&resp, sizeof resp); + + sib = (struct sockaddr_ib *) &resp.src_addr; + memcpy(id->route.addr.addr.ibaddr.sgid.raw, sib->sib_addr.sib_raw, + sizeof id->route.addr.addr.ibaddr.sgid); + + sib = (struct sockaddr_ib *) &resp.dst_addr; + memcpy(id->route.addr.addr.ibaddr.dgid.raw, sib->sib_addr.sib_raw, + sizeof id->route.addr.addr.ibaddr.dgid); + + return 0; +} + +static void ucma_convert_path(struct ibv_path_data *path_data, + struct ibv_sa_path_rec *sa_path) +{ + uint32_t fl_hop; + + sa_path->dgid = path_data->path.dgid; + sa_path->sgid = path_data->path.sgid; + sa_path->dlid = path_data->path.dlid; + sa_path->slid = path_data->path.slid; + sa_path->raw_traffic = 0; + + fl_hop = ntohl(path_data->path.flowlabel_hoplimit); + sa_path->flow_label = htonl(fl_hop >> 8); + sa_path->hop_limit = (uint8_t) fl_hop; + + sa_path->traffic_class = path_data->path.tclass; + sa_path->reversible = path_data->path.reversible_numpath >> 7; + sa_path->numb_path = 1; + sa_path->pkey = path_data->path.pkey; + sa_path->sl = ntohs(path_data->path.qosclass_sl) & 0xF; + sa_path->mtu_selector = 2; /* exactly */ + sa_path->mtu = path_data->path.mtu & 0x1F; + sa_path->rate_selector = 2; + sa_path->rate = path_data->path.rate & 0x1F; + sa_path->packet_life_time_selector = 2; + sa_path->packet_life_time = path_data->path.packetlifetime & 0x1F; + + sa_path->preference = (uint8_t) path_data->flags; +} + +static int ucma_query_path(struct rdma_cm_id *id) +{ + struct ucma_abi_query_path_resp *resp; + struct ucma_abi_query cmd; + struct cma_id_private *id_priv; + int ret, i, size; + + size = sizeof(*resp) + sizeof(struct ibv_path_data) * 6; + resp = alloca(size); + CMA_INIT_CMD_RESP(&cmd, sizeof cmd, QUERY, resp, size); + id_priv = container_of(id, struct cma_id_private, id); + cmd.id = id_priv->handle; + cmd.option = UCMA_QUERY_PATH; + + ret = write(id->channel->fd, &cmd, sizeof cmd); + if (ret != sizeof cmd) + return (ret >= 0) ? ERR(ENODATA) : -1; + + VALGRIND_MAKE_MEM_DEFINED(resp, size); if (resp->num_paths) { - id->route.path_rec = malloc(sizeof *id->route.path_rec * + id->route.path_rec = malloc(sizeof(*id->route.path_rec) * resp->num_paths); if (!id->route.path_rec) return ERR(ENOMEM); id->route.num_paths = resp->num_paths; for (i = 0; i < resp->num_paths; i++) + ucma_convert_path(&resp->path_data[i], &id->route.path_rec[i]); + } + + return 0; +} + +static int ucma_query_route(struct rdma_cm_id *id) +{ + struct ucma_abi_query_route_resp resp; + struct ucma_abi_query cmd; + struct cma_id_private *id_priv; + int ret, i; + + CMA_INIT_CMD_RESP(&cmd, sizeof cmd, QUERY_ROUTE, &resp, sizeof resp); + id_priv = container_of(id, struct cma_id_private, id); + cmd.id = id_priv->handle; + + ret = write(id->channel->fd, &cmd, sizeof cmd); + if (ret != sizeof cmd) + return (ret >= 0) ? ERR(ENODATA) : -1; + + VALGRIND_MAKE_MEM_DEFINED(&resp, sizeof resp); + + if (resp.num_paths) { + id->route.path_rec = malloc(sizeof *id->route.path_rec * + resp.num_paths); + if (!id->route.path_rec) + return ERR(ENOMEM); + + id->route.num_paths = resp.num_paths; + for (i = 0; i < resp.num_paths; i++) ibv_copy_path_rec_from_kern(&id->route.path_rec[i], - &resp->ib_route[i]); + &resp.ib_route[i]); } - memcpy(id->route.addr.addr.ibaddr.sgid.raw, resp->ib_route[0].sgid, + memcpy(id->route.addr.addr.ibaddr.sgid.raw, resp.ib_route[0].sgid, sizeof id->route.addr.addr.ibaddr.sgid); - memcpy(id->route.addr.addr.ibaddr.dgid.raw, resp->ib_route[0].dgid, + memcpy(id->route.addr.addr.ibaddr.dgid.raw, resp.ib_route[0].dgid, sizeof id->route.addr.addr.ibaddr.dgid); - id->route.addr.addr.ibaddr.pkey = resp->ib_route[0].pkey; - memcpy(&id->route.addr.src_addr, &resp->src_addr, - sizeof resp->src_addr); - memcpy(&id->route.addr.dst_addr, &resp->dst_addr, - sizeof resp->dst_addr); - - if (!id_priv->cma_dev && resp->node_guid) { - ret = ucma_get_device(id_priv, resp->node_guid); + id->route.addr.addr.ibaddr.pkey = resp.ib_route[0].pkey; + memcpy(&id->route.addr.src_addr, &resp.src_addr, + sizeof resp.src_addr); + memcpy(&id->route.addr.dst_addr, &resp.dst_addr, + sizeof resp.dst_addr); + + if (!id_priv->cma_dev && resp.node_guid) { + ret = ucma_get_device(id_priv, resp.node_guid); if (ret) return ret; - id_priv->id.port_num = resp->port_num; + id_priv->id.port_num = resp.port_num; } return 0; } +static int rdma_bind_addr2(struct rdma_cm_id *id, struct sockaddr *addr, + socklen_t addrlen) +{ + struct ucma_abi_bind cmd; + struct cma_id_private *id_priv; + int ret; + + CMA_INIT_CMD(&cmd, sizeof cmd, BIND); + id_priv = container_of(id, struct cma_id_private, id); + cmd.id = id_priv->handle; + cmd.addr_size = addrlen; + memcpy(&cmd.addr, addr, addrlen); + + ret = write(id->channel->fd, &cmd, sizeof cmd); + if (ret != sizeof cmd) + return (ret >= 0) ? ERR(ENODATA) : -1; + + ret = ucma_query_addr(id); + if (!ret) + ret = ucma_query_gid(id); + return ret; +} + int rdma_bind_addr(struct rdma_cm_id *id, struct sockaddr *addr) { - struct ucma_abi_bind_addr *cmd; + struct ucma_abi_bind_ip cmd; struct cma_id_private *id_priv; - void *msg; - int ret, size, addrlen; + int ret, addrlen; addrlen = ucma_addrlen(addr); if (!addrlen) return ERR(EINVAL); - CMA_CREATE_MSG_CMD(msg, cmd, UCMA_CMD_BIND_ADDR, size); + if (af_ib_support) + return rdma_bind_addr2(id, addr, addrlen); + + CMA_INIT_CMD(&cmd, sizeof cmd, BIND_IP); id_priv = container_of(id, struct cma_id_private, id); - cmd->id = id_priv->handle; - memcpy(&cmd->addr, addr, addrlen); + cmd.id = id_priv->handle; + memcpy(&cmd.addr, addr, addrlen); - ret = write(id->channel->fd, msg, size); - if (ret != size) - return (ret >= 0) ? ERR(ECONNREFUSED) : -1; + ret = write(id->channel->fd, &cmd, sizeof cmd); + if (ret != sizeof cmd) + return (ret >= 0) ? ERR(ENODATA) : -1; return ucma_query_route(id); } +int ucma_complete(struct rdma_cm_id *id) +{ + struct cma_id_private *id_priv; + int ret; + + id_priv = container_of(id, struct cma_id_private, id); + if (!id_priv->sync) + return 0; + + if (id_priv->id.event) { + rdma_ack_cm_event(id_priv->id.event); + id_priv->id.event = NULL; + } + + ret = rdma_get_cm_event(id_priv->id.channel, &id_priv->id.event); + if (ret) + return ret; + + if (id_priv->id.event->status) { + if (id_priv->id.event->event == RDMA_CM_EVENT_REJECTED) + ret = ERR(ECONNREFUSED); + else if (id_priv->id.event->status < 0) + ret = ERR(-id_priv->id.event->status); + else + ret = ERR(-id_priv->id.event->status); + } + return ret; +} + +static int rdma_resolve_addr2(struct rdma_cm_id *id, struct sockaddr *src_addr, + socklen_t src_len, struct sockaddr *dst_addr, + socklen_t dst_len, int timeout_ms) +{ + struct ucma_abi_resolve_addr cmd; + struct cma_id_private *id_priv; + int ret; + + CMA_INIT_CMD(&cmd, sizeof cmd, RESOLVE_ADDR); + id_priv = container_of(id, struct cma_id_private, id); + cmd.id = id_priv->handle; + if ((cmd.src_size = src_len)) + memcpy(&cmd.src_addr, src_addr, src_len); + memcpy(&cmd.dst_addr, dst_addr, dst_len); + cmd.dst_size = dst_len; + cmd.timeout_ms = timeout_ms; + + ret = write(id->channel->fd, &cmd, sizeof cmd); + if (ret != sizeof cmd) + return (ret >= 0) ? ERR(ENODATA) : -1; + + memcpy(&id->route.addr.dst_addr, dst_addr, dst_len); + return ucma_complete(id); +} + int rdma_resolve_addr(struct rdma_cm_id *id, struct sockaddr *src_addr, struct sockaddr *dst_addr, int timeout_ms) { - struct ucma_abi_resolve_addr *cmd; + struct ucma_abi_resolve_ip cmd; struct cma_id_private *id_priv; - void *msg; - int ret, size, daddrlen; + int ret, dst_len, src_len; - daddrlen = ucma_addrlen(dst_addr); - if (!daddrlen) + dst_len = ucma_addrlen(dst_addr); + if (!dst_len) return ERR(EINVAL); - CMA_CREATE_MSG_CMD(msg, cmd, UCMA_CMD_RESOLVE_ADDR, size); + src_len = ucma_addrlen(src_addr); + if (src_addr && !src_len) + return ERR(EINVAL); + + if (af_ib_support) + return rdma_resolve_addr2(id, src_addr, src_len, dst_addr, + dst_len, timeout_ms); + + CMA_INIT_CMD(&cmd, sizeof cmd, RESOLVE_IP); id_priv = container_of(id, struct cma_id_private, id); - cmd->id = id_priv->handle; + cmd.id = id_priv->handle; if (src_addr) - memcpy(&cmd->src_addr, src_addr, ucma_addrlen(src_addr)); - memcpy(&cmd->dst_addr, dst_addr, daddrlen); - cmd->timeout_ms = timeout_ms; + memcpy(&cmd.src_addr, src_addr, src_len); + memcpy(&cmd.dst_addr, dst_addr, dst_len); + cmd.timeout_ms = timeout_ms; - ret = write(id->channel->fd, msg, size); - if (ret != size) - return (ret >= 0) ? ERR(ECONNREFUSED) : -1; + ret = write(id->channel->fd, &cmd, sizeof cmd); + if (ret != sizeof cmd) + return (ret >= 0) ? ERR(ENODATA) : -1; - memcpy(&id->route.addr.dst_addr, dst_addr, daddrlen); - return 0; + memcpy(&id->route.addr.dst_addr, dst_addr, dst_len); + return ucma_complete(id); +} + +static int ucma_set_ib_route(struct rdma_cm_id *id) +{ + struct rdma_addrinfo hint, *rai; + int ret; + + memset(&hint, 0, sizeof hint); + hint.ai_flags = RAI_ROUTEONLY; + hint.ai_family = id->route.addr.src_addr.sa_family; + hint.ai_src_len = ucma_addrlen((struct sockaddr *) &id->route.addr.src_addr); + hint.ai_src_addr = &id->route.addr.src_addr; + hint.ai_dst_len = ucma_addrlen((struct sockaddr *) &id->route.addr.dst_addr); + hint.ai_dst_addr = &id->route.addr.dst_addr; + + ret = rdma_getaddrinfo(NULL, NULL, &hint, &rai); + if (ret) + return ret; + + if (rai->ai_route_len) + ret = rdma_set_option(id, RDMA_OPTION_IB, RDMA_OPTION_IB_PATH, + rai->ai_route, rai->ai_route_len); + else + ret = -1; + + rdma_freeaddrinfo(rai); + return ret; } int rdma_resolve_route(struct rdma_cm_id *id, int timeout_ms) { - struct ucma_abi_resolve_route *cmd; + struct ucma_abi_resolve_route cmd; struct cma_id_private *id_priv; - void *msg; - int ret, size; - - CMA_CREATE_MSG_CMD(msg, cmd, UCMA_CMD_RESOLVE_ROUTE, size); + int ret; + id_priv = container_of(id, struct cma_id_private, id); - cmd->id = id_priv->handle; - cmd->timeout_ms = timeout_ms; + if (id->verbs->device->transport_type == IBV_TRANSPORT_IB) { + ret = ucma_set_ib_route(id); + if (!ret) + goto out; + } - ret = write(id->channel->fd, msg, size); - if (ret != size) - return (ret >= 0) ? ERR(ECONNREFUSED) : -1; + CMA_INIT_CMD(&cmd, sizeof cmd, RESOLVE_ROUTE); + cmd.id = id_priv->handle; + cmd.timeout_ms = timeout_ms; - return 0; + ret = write(id->channel->fd, &cmd, sizeof cmd); + if (ret != sizeof cmd) + return (ret >= 0) ? ERR(ENODATA) : -1; + +out: + return ucma_complete(id); } -static int ucma_is_ud_ps(enum rdma_port_space ps) +static int ucma_is_ud_qp(enum ibv_qp_type qp_type) { - return (ps == RDMA_PS_UDP || ps == RDMA_PS_IPOIB); + return (qp_type == IBV_QPT_UD); } static int rdma_init_qp_attr(struct rdma_cm_id *id, struct ibv_qp_attr *qp_attr, int *qp_attr_mask) { - struct ucma_abi_init_qp_attr *cmd; - struct ibv_kern_qp_attr *resp; + struct ucma_abi_init_qp_attr cmd; + struct ibv_kern_qp_attr resp; struct cma_id_private *id_priv; - void *msg; - int ret, size; + int ret; - CMA_CREATE_MSG_CMD_RESP(msg, cmd, resp, UCMA_CMD_INIT_QP_ATTR, size); + CMA_INIT_CMD_RESP(&cmd, sizeof cmd, INIT_QP_ATTR, &resp, sizeof resp); id_priv = container_of(id, struct cma_id_private, id); - cmd->id = id_priv->handle; - cmd->qp_state = qp_attr->qp_state; + cmd.id = id_priv->handle; + cmd.qp_state = qp_attr->qp_state; - ret = write(id->channel->fd, msg, size); - if (ret != size) - return (ret >= 0) ? ERR(ECONNREFUSED) : -1; + ret = write(id->channel->fd, &cmd, sizeof cmd); + if (ret != sizeof cmd) + return (ret >= 0) ? ERR(ENODATA) : -1; - VALGRIND_MAKE_MEM_DEFINED(resp, sizeof *resp); + VALGRIND_MAKE_MEM_DEFINED(&resp, sizeof resp); - ibv_copy_qp_attr_from_kern(qp_attr, resp); - *qp_attr_mask = resp->qp_attr_mask; + ibv_copy_qp_attr_from_kern(qp_attr, &resp); + *qp_attr_mask = resp.qp_attr_mask; return 0; } -static int ucma_modify_qp_rtr(struct rdma_cm_id *id, - struct rdma_conn_param *conn_param) +static int ucma_modify_qp_rtr(struct rdma_cm_id *id, uint8_t resp_res) { + struct cma_id_private *id_priv; struct ibv_qp_attr qp_attr; int qp_attr_mask, ret; + uint8_t link_layer; if (!id->qp) return ERR(EINVAL); @@ -640,19 +1058,29 @@ ret = ibv_modify_qp(id->qp, &qp_attr, qp_attr_mask); if (ret) - return ret; + return ERR(ret); qp_attr.qp_state = IBV_QPS_RTR; ret = rdma_init_qp_attr(id, &qp_attr, &qp_attr_mask); if (ret) return ret; - if (conn_param) - qp_attr.max_dest_rd_atomic = conn_param->responder_resources; - return ibv_modify_qp(id->qp, &qp_attr, qp_attr_mask); + /* + * Workaround for rdma_ucm kernel bug: + * mask off qp_attr_mask bits 21-24 which are used for RoCE + */ + id_priv = container_of(id, struct cma_id_private, id); + link_layer = id_priv->cma_dev->port[id->port_num - 1].link_layer; + + if (link_layer == IBV_LINK_LAYER_INFINIBAND) + qp_attr_mask &= UINT_MAX ^ 0xe00000; + + if (resp_res != RDMA_MAX_RESP_RES) + qp_attr.max_dest_rd_atomic = resp_res; + return rdma_seterrno(ibv_modify_qp(id->qp, &qp_attr, qp_attr_mask)); } -static int ucma_modify_qp_rts(struct rdma_cm_id *id) +static int ucma_modify_qp_rts(struct rdma_cm_id *id, uint8_t init_depth) { struct ibv_qp_attr qp_attr; int qp_attr_mask, ret; @@ -662,7 +1090,9 @@ if (ret) return ret; - return ibv_modify_qp(id->qp, &qp_attr, qp_attr_mask); + if (init_depth != RDMA_MAX_INIT_DEPTH) + qp_attr.max_rd_atomic = init_depth; + return rdma_seterrno(ibv_modify_qp(id->qp, &qp_attr, qp_attr_mask)); } static int ucma_modify_qp_sqd(struct rdma_cm_id *id) @@ -673,7 +1103,7 @@ return 0; qp_attr.qp_state = IBV_QPS_SQD; - return ibv_modify_qp(id->qp, &qp_attr, IBV_QP_STATE); + return rdma_seterrno(ibv_modify_qp(id->qp, &qp_attr, IBV_QP_STATE)); } static int ucma_modify_qp_err(struct rdma_cm_id *id) @@ -683,8 +1113,10 @@ if (!id->qp) return 0; + VALGRIND_MAKE_MEM_DEFINED(&qp_attr, sizeof(qp_attr)); + qp_attr.qp_state = IBV_QPS_ERR; - return ibv_modify_qp(id->qp, &qp_attr, IBV_QP_STATE); + return rdma_seterrno(ibv_modify_qp(id->qp, &qp_attr, IBV_QP_STATE)); } static int ucma_find_pkey(struct cma_device *cma_dev, uint8_t port_num, @@ -718,8 +1150,9 @@ qp_attr.qp_state = IBV_QPS_INIT; qp_attr.qp_access_flags = 0; - return ibv_modify_qp(qp, &qp_attr, IBV_QP_STATE | IBV_QP_ACCESS_FLAGS | - IBV_QP_PKEY_INDEX | IBV_QP_PORT); + ret = ibv_modify_qp(qp, &qp_attr, IBV_QP_STATE | IBV_QP_ACCESS_FLAGS | + IBV_QP_PKEY_INDEX | IBV_QP_PORT); + return rdma_seterrno(ret); } static int ucma_init_conn_qp(struct cma_id_private *id_priv, struct ibv_qp *qp) @@ -735,7 +1168,7 @@ if (ret) return ret; - return ibv_modify_qp(qp, &qp_attr, qp_attr_mask); + return rdma_seterrno(ibv_modify_qp(qp, &qp_attr, qp_attr_mask)); } static int ucma_init_ud_qp3(struct cma_id_private *id_priv, struct ibv_qp *qp) @@ -756,16 +1189,17 @@ ret = ibv_modify_qp(qp, &qp_attr, IBV_QP_STATE | IBV_QP_QKEY | IBV_QP_PKEY_INDEX | IBV_QP_PORT); if (ret) - return ret; + return ERR(ret); qp_attr.qp_state = IBV_QPS_RTR; ret = ibv_modify_qp(qp, &qp_attr, IBV_QP_STATE); if (ret) - return ret; + return ERR(ret); qp_attr.qp_state = IBV_QPS_RTS; qp_attr.sq_psn = 0; - return ibv_modify_qp(qp, &qp_attr, IBV_QP_STATE | IBV_QP_SQ_PSN); + ret = ibv_modify_qp(qp, &qp_attr, IBV_QP_STATE | IBV_QP_SQ_PSN); + return rdma_seterrno(ret); } static int ucma_init_ud_qp(struct cma_id_private *id_priv, struct ibv_qp *qp) @@ -783,270 +1217,552 @@ ret = ibv_modify_qp(qp, &qp_attr, qp_attr_mask); if (ret) - return ret; + return ERR(ret); qp_attr.qp_state = IBV_QPS_RTR; ret = ibv_modify_qp(qp, &qp_attr, IBV_QP_STATE); if (ret) - return ret; + return ERR(ret); qp_attr.qp_state = IBV_QPS_RTS; qp_attr.sq_psn = 0; - return ibv_modify_qp(qp, &qp_attr, IBV_QP_STATE | IBV_QP_SQ_PSN); + ret = ibv_modify_qp(qp, &qp_attr, IBV_QP_STATE | IBV_QP_SQ_PSN); + return rdma_seterrno(ret); } -int rdma_create_qp(struct rdma_cm_id *id, struct ibv_pd *pd, - struct ibv_qp_init_attr *qp_init_attr) +static void ucma_destroy_cqs(struct rdma_cm_id *id) +{ + if (id->qp_type == IBV_QPT_XRC_RECV && id->srq) + return; + + if (id->recv_cq) { + ibv_destroy_cq(id->recv_cq); + if (id->send_cq && (id->send_cq != id->recv_cq)) { + ibv_destroy_cq(id->send_cq); + id->send_cq = NULL; + } + id->recv_cq = NULL; + } + + if (id->recv_cq_channel) { + ibv_destroy_comp_channel(id->recv_cq_channel); + if (id->send_cq_channel && (id->send_cq_channel != id->recv_cq_channel)) { + ibv_destroy_comp_channel(id->send_cq_channel); + id->send_cq_channel = NULL; + } + id->recv_cq_channel = NULL; + } +} + +static int ucma_create_cqs(struct rdma_cm_id *id, uint32_t send_size, uint32_t recv_size) +{ + if (recv_size) { + id->recv_cq_channel = ibv_create_comp_channel(id->verbs); + if (!id->recv_cq_channel) + goto err; + + id->recv_cq = ibv_create_cq(id->verbs, recv_size, + id, id->recv_cq_channel, 0); + if (!id->recv_cq) + goto err; + } + + if (send_size) { + id->send_cq_channel = ibv_create_comp_channel(id->verbs); + if (!id->send_cq_channel) + goto err; + + id->send_cq = ibv_create_cq(id->verbs, send_size, + id, id->send_cq_channel, 0); + if (!id->send_cq) + goto err; + } + + return 0; +err: + ucma_destroy_cqs(id); + return ERR(ENOMEM); +} + +int rdma_create_srq_ex(struct rdma_cm_id *id, struct ibv_srq_init_attr_ex *attr) +{ + struct cma_id_private *id_priv; + struct ibv_srq *srq; + int ret; + + id_priv = container_of(id, struct cma_id_private, id); + if (!(attr->comp_mask & IBV_SRQ_INIT_ATTR_TYPE)) + return ERR(EINVAL); + + if (!(attr->comp_mask & IBV_SRQ_INIT_ATTR_PD) || !attr->pd) { + attr->pd = id->pd; + attr->comp_mask |= IBV_SRQ_INIT_ATTR_PD; + } + + if (attr->srq_type == IBV_SRQT_XRC) { + if (!(attr->comp_mask & IBV_SRQ_INIT_ATTR_XRCD) || !attr->xrcd) { + attr->xrcd = ucma_get_xrcd(id_priv->cma_dev); + if (!attr->xrcd) + return -1; + } + if (!(attr->comp_mask & IBV_SRQ_INIT_ATTR_CQ) || !attr->cq) { + ret = ucma_create_cqs(id, 0, attr->attr.max_wr); + if (ret) + return ret; + attr->cq = id->recv_cq; + } + attr->comp_mask |= IBV_SRQ_INIT_ATTR_XRCD | IBV_SRQ_INIT_ATTR_CQ; + } + + srq = ibv_create_srq_ex(id->verbs, attr); + if (!srq) { + ret = -1; + goto err; + } + + if (!id->pd) + id->pd = attr->pd; + id->srq = srq; + return 0; +err: + ucma_destroy_cqs(id); + return ret; +} + +int rdma_create_srq(struct rdma_cm_id *id, struct ibv_pd *pd, + struct ibv_srq_init_attr *attr) +{ + struct ibv_srq_init_attr_ex attr_ex; + int ret; + + memcpy(&attr_ex, attr, sizeof *attr); + attr_ex.comp_mask = IBV_SRQ_INIT_ATTR_TYPE | IBV_SRQ_INIT_ATTR_PD; + if (id->qp_type == IBV_QPT_XRC_RECV) { + attr_ex.srq_type = IBV_SRQT_XRC; + } else { + attr_ex.srq_type = IBV_SRQT_BASIC; + } + attr_ex.pd = pd; + ret = rdma_create_srq_ex(id, &attr_ex); + memcpy(attr, &attr_ex, sizeof *attr); + return ret; +} + +void rdma_destroy_srq(struct rdma_cm_id *id) +{ + ibv_destroy_srq(id->srq); + id->srq = NULL; + ucma_destroy_cqs(id); +} + +int rdma_create_qp_ex(struct rdma_cm_id *id, + struct ibv_qp_init_attr_ex *attr) { struct cma_id_private *id_priv; struct ibv_qp *qp; int ret; + if (id->qp) + return ERR(EINVAL); + id_priv = container_of(id, struct cma_id_private, id); - if (id->verbs != pd->context) + if (!(attr->comp_mask & IBV_QP_INIT_ATTR_PD) || !attr->pd) { + attr->comp_mask |= IBV_QP_INIT_ATTR_PD; + attr->pd = id->pd; + } else if (id->verbs != attr->pd->context) return ERR(EINVAL); - qp = ibv_create_qp(pd, qp_init_attr); - if (!qp) - return ERR(ENOMEM); + if ((id->recv_cq && attr->recv_cq && id->recv_cq != attr->recv_cq) || + (id->send_cq && attr->send_cq && id->send_cq != attr->send_cq)) + return ERR(EINVAL); + + if (id->qp_type == IBV_QPT_XRC_RECV) { + if (!(attr->comp_mask & IBV_QP_INIT_ATTR_XRCD) || !attr->xrcd) { + attr->xrcd = ucma_get_xrcd(id_priv->cma_dev); + if (!attr->xrcd) + return -1; + attr->comp_mask |= IBV_QP_INIT_ATTR_XRCD; + } + } + + ret = ucma_create_cqs(id, attr->send_cq || id->send_cq ? 0 : attr->cap.max_send_wr, + attr->recv_cq || id->recv_cq ? 0 : attr->cap.max_recv_wr); + if (ret) + return ret; - if (ucma_is_ud_ps(id->ps)) + if (!attr->send_cq) + attr->send_cq = id->send_cq; + if (!attr->recv_cq) + attr->recv_cq = id->recv_cq; + if (id->srq && !attr->srq) + attr->srq = id->srq; + qp = ibv_create_qp_ex(id->verbs, attr); + if (!qp) { + ret = ERR(ENOMEM); + goto err1; + } + + if (ucma_is_ud_qp(id->qp_type)) ret = ucma_init_ud_qp(id_priv, qp); else ret = ucma_init_conn_qp(id_priv, qp); if (ret) - goto err; + goto err2; + id->pd = qp->pd; id->qp = qp; return 0; -err: +err2: ibv_destroy_qp(qp); +err1: + ucma_destroy_cqs(id); + return ret; +} + +int rdma_create_qp(struct rdma_cm_id *id, struct ibv_pd *pd, + struct ibv_qp_init_attr *qp_init_attr) +{ + struct ibv_qp_init_attr_ex attr_ex; + int ret; + int init_attr_base_size = offsetof(struct ibv_qp_init_attr, xrc_domain); + + /* We should copy below only the shared fields excluding the xrc_domain field. + * Otherwise we may have an ABI issue with applications that were compiled + * without the xrc_domain field. The xrc_domain any way has no affect in + * the sender side, no need to copy in/out. + */ + memcpy(&attr_ex, qp_init_attr, init_attr_base_size); + attr_ex.comp_mask = IBV_QP_INIT_ATTR_PD; + attr_ex.pd = pd ? pd : id->pd; + ret = rdma_create_qp_ex(id, &attr_ex); + memcpy(qp_init_attr, &attr_ex, init_attr_base_size); return ret; } void rdma_destroy_qp(struct rdma_cm_id *id) { ibv_destroy_qp(id->qp); + id->qp = NULL; + ucma_destroy_cqs(id); } static int ucma_valid_param(struct cma_id_private *id_priv, - struct rdma_conn_param *conn_param) + struct rdma_conn_param *param) { if (id_priv->id.ps != RDMA_PS_TCP) return 0; - if ((conn_param->responder_resources > - id_priv->cma_dev->max_responder_resources) || - (conn_param->initiator_depth > - id_priv->cma_dev->max_initiator_depth)) - return ERR(EINVAL); + if (!id_priv->id.qp && !param) + goto err; + + if (!param) + return 0; + + if ((param->responder_resources != RDMA_MAX_RESP_RES) && + (param->responder_resources > id_priv->cma_dev->max_responder_resources)) + goto err; + + if ((param->initiator_depth != RDMA_MAX_INIT_DEPTH) && + (param->initiator_depth > id_priv->cma_dev->max_initiator_depth)) + goto err; return 0; +err: + return ERR(EINVAL); } -static void ucma_copy_conn_param_to_kern(struct ucma_abi_conn_param *dst, +static void ucma_copy_conn_param_to_kern(struct cma_id_private *id_priv, + struct ucma_abi_conn_param *dst, struct rdma_conn_param *src, uint32_t qp_num, uint8_t srq) { - dst->qp_num = qp_num; - dst->srq = srq; - dst->responder_resources = src->responder_resources; - dst->initiator_depth = src->initiator_depth; - dst->flow_control = src->flow_control; - dst->retry_count = src->retry_count; - dst->rnr_retry_count = src->rnr_retry_count; + dst->qp_num = qp_num; + dst->srq = srq; + dst->responder_resources = id_priv->responder_resources; + dst->initiator_depth = id_priv->initiator_depth; dst->valid = 1; - if (src->private_data && src->private_data_len) { - memcpy(dst->private_data, src->private_data, - src->private_data_len); - dst->private_data_len = src->private_data_len; + if (id_priv->connect_len) { + memcpy(dst->private_data, id_priv->connect, id_priv->connect_len); + dst->private_data_len = id_priv->connect_len; + } + + if (src) { + dst->flow_control = src->flow_control; + dst->retry_count = src->retry_count; + dst->rnr_retry_count = src->rnr_retry_count; + + if (src->private_data && src->private_data_len) { + memcpy(dst->private_data + dst->private_data_len, + src->private_data, src->private_data_len); + dst->private_data_len += src->private_data_len; + } + } else { + dst->retry_count = 7; + dst->rnr_retry_count = 7; } } int rdma_connect(struct rdma_cm_id *id, struct rdma_conn_param *conn_param) { - struct ucma_abi_connect *cmd; + struct ucma_abi_connect cmd; struct cma_id_private *id_priv; - void *msg; - int ret, size; + int ret; id_priv = container_of(id, struct cma_id_private, id); ret = ucma_valid_param(id_priv, conn_param); if (ret) return ret; - CMA_CREATE_MSG_CMD(msg, cmd, UCMA_CMD_CONNECT, size); - cmd->id = id_priv->handle; - if (id->qp) - ucma_copy_conn_param_to_kern(&cmd->conn_param, conn_param, - id->qp->qp_num, - (id->qp->srq != NULL)); + if (conn_param && conn_param->initiator_depth != RDMA_MAX_INIT_DEPTH) + id_priv->initiator_depth = conn_param->initiator_depth; else - ucma_copy_conn_param_to_kern(&cmd->conn_param, conn_param, - conn_param->qp_num, + id_priv->initiator_depth = id_priv->cma_dev->max_initiator_depth; + if (conn_param && conn_param->responder_resources != RDMA_MAX_RESP_RES) + id_priv->responder_resources = conn_param->responder_resources; + else + id_priv->responder_resources = id_priv->cma_dev->max_responder_resources; + + CMA_INIT_CMD(&cmd, sizeof cmd, CONNECT); + cmd.id = id_priv->handle; + if (id->qp) { + ucma_copy_conn_param_to_kern(id_priv, &cmd.conn_param, + conn_param, id->qp->qp_num, + (id->qp->srq != NULL)); + } else if (conn_param) { + ucma_copy_conn_param_to_kern(id_priv, &cmd.conn_param, + conn_param, conn_param->qp_num, conn_param->srq); + } else { + ucma_copy_conn_param_to_kern(id_priv, &cmd.conn_param, + conn_param, 0, 0); + } - ret = write(id->channel->fd, msg, size); - if (ret != size) - return (ret >= 0) ? ERR(ECONNREFUSED) : -1; + ret = write(id->channel->fd, &cmd, sizeof cmd); + if (ret != sizeof cmd) + return (ret >= 0) ? ERR(ENODATA) : -1; - return 0; + if (id_priv->connect_len) { + free(id_priv->connect); + id_priv->connect_len = 0; + } + + return ucma_complete(id); } int rdma_listen(struct rdma_cm_id *id, int backlog) { - struct ucma_abi_listen *cmd; + struct ucma_abi_listen cmd; struct cma_id_private *id_priv; - void *msg; - int ret, size; + int ret; - CMA_CREATE_MSG_CMD(msg, cmd, UCMA_CMD_LISTEN, size); + CMA_INIT_CMD(&cmd, sizeof cmd, LISTEN); id_priv = container_of(id, struct cma_id_private, id); - cmd->id = id_priv->handle; - cmd->backlog = backlog; + cmd.id = id_priv->handle; + cmd.backlog = backlog; - ret = write(id->channel->fd, msg, size); - if (ret != size) - return (ret >= 0) ? ERR(ECONNREFUSED) : -1; + ret = write(id->channel->fd, &cmd, sizeof cmd); + if (ret != sizeof cmd) + return (ret >= 0) ? ERR(ENODATA) : -1; - return ucma_query_route(id); + if (af_ib_support) + return ucma_query_addr(id); + else + return ucma_query_route(id); +} + +int rdma_get_request(struct rdma_cm_id *listen, struct rdma_cm_id **id) +{ + struct cma_id_private *id_priv; + struct rdma_cm_event *event; + int ret; + + id_priv = container_of(listen, struct cma_id_private, id); + if (!id_priv->sync) + return ERR(EINVAL); + + if (listen->event) { + rdma_ack_cm_event(listen->event); + listen->event = NULL; + } + + ret = rdma_get_cm_event(listen->channel, &event); + if (ret) + return ret; + + if (event->status) { + ret = ERR(event->status); + goto err; + } + + if (event->event != RDMA_CM_EVENT_CONNECT_REQUEST) { + ret = ERR(EINVAL); + goto err; + } + + if (id_priv->qp_init_attr) { + struct ibv_qp_init_attr attr; + + attr = *id_priv->qp_init_attr; + ret = rdma_create_qp(event->id, listen->pd, &attr); + if (ret) + goto err; + } + + *id = event->id; + (*id)->event = event; + return 0; + +err: + listen->event = event; + return ret; } int rdma_accept(struct rdma_cm_id *id, struct rdma_conn_param *conn_param) { - struct ucma_abi_accept *cmd; + struct ucma_abi_accept cmd; struct cma_id_private *id_priv; - void *msg; - int ret, size; + int ret; id_priv = container_of(id, struct cma_id_private, id); ret = ucma_valid_param(id_priv, conn_param); if (ret) return ret; - if (!ucma_is_ud_ps(id->ps)) { - ret = ucma_modify_qp_rtr(id, conn_param); + if (!conn_param || conn_param->initiator_depth == RDMA_MAX_INIT_DEPTH) { + id_priv->initiator_depth = min(id_priv->initiator_depth, + id_priv->cma_dev->max_initiator_depth); + } else { + id_priv->initiator_depth = conn_param->initiator_depth; + } + if (!conn_param || conn_param->responder_resources == RDMA_MAX_RESP_RES) { + id_priv->responder_resources = min(id_priv->responder_resources, + id_priv->cma_dev->max_responder_resources); + } else { + id_priv->responder_resources = conn_param->responder_resources; + } + + if (!ucma_is_ud_qp(id->qp_type)) { + ret = ucma_modify_qp_rtr(id, id_priv->responder_resources); + if (ret) + return ret; + + ret = ucma_modify_qp_rts(id, id_priv->initiator_depth); if (ret) return ret; } - CMA_CREATE_MSG_CMD(msg, cmd, UCMA_CMD_ACCEPT, size); - cmd->id = id_priv->handle; - cmd->uid = (uintptr_t) id_priv; + CMA_INIT_CMD(&cmd, sizeof cmd, ACCEPT); + cmd.id = id_priv->handle; + cmd.uid = (uintptr_t) id_priv; if (id->qp) - ucma_copy_conn_param_to_kern(&cmd->conn_param, conn_param, - id->qp->qp_num, + ucma_copy_conn_param_to_kern(id_priv, &cmd.conn_param, + conn_param, id->qp->qp_num, (id->qp->srq != NULL)); else - ucma_copy_conn_param_to_kern(&cmd->conn_param, conn_param, - conn_param->qp_num, + ucma_copy_conn_param_to_kern(id_priv, &cmd.conn_param, + conn_param, conn_param->qp_num, conn_param->srq); - ret = write(id->channel->fd, msg, size); - if (ret != size) { + ret = write(id->channel->fd, &cmd, sizeof cmd); + if (ret != sizeof cmd) { ucma_modify_qp_err(id); - return (ret >= 0) ? ERR(ECONNREFUSED) : -1; + return (ret >= 0) ? ERR(ENODATA) : -1; } - return 0; + if (ucma_is_ud_qp(id->qp_type)) + return 0; + + return ucma_complete(id); } int rdma_reject(struct rdma_cm_id *id, const void *private_data, uint8_t private_data_len) { - struct ucma_abi_reject *cmd; + struct ucma_abi_reject cmd; struct cma_id_private *id_priv; - void *msg; - int ret, size; + int ret; - CMA_CREATE_MSG_CMD(msg, cmd, UCMA_CMD_REJECT, size); + CMA_INIT_CMD(&cmd, sizeof cmd, REJECT); id_priv = container_of(id, struct cma_id_private, id); - cmd->id = id_priv->handle; + cmd.id = id_priv->handle; if (private_data && private_data_len) { - memcpy(cmd->private_data, private_data, private_data_len); - cmd->private_data_len = private_data_len; - } else - cmd->private_data_len = 0; + memcpy(cmd.private_data, private_data, private_data_len); + cmd.private_data_len = private_data_len; + } - ret = write(id->channel->fd, msg, size); - if (ret != size) - return (ret >= 0) ? ERR(ECONNREFUSED) : -1; + ret = write(id->channel->fd, &cmd, sizeof cmd); + if (ret != sizeof cmd) + return (ret >= 0) ? ERR(ENODATA) : -1; return 0; } int rdma_notify(struct rdma_cm_id *id, enum ibv_event_type event) { - struct ucma_abi_notify *cmd; + struct ucma_abi_notify cmd; struct cma_id_private *id_priv; - void *msg; - int ret, size; + int ret; - CMA_CREATE_MSG_CMD(msg, cmd, UCMA_CMD_NOTIFY, size); + CMA_INIT_CMD(&cmd, sizeof cmd, NOTIFY); id_priv = container_of(id, struct cma_id_private, id); - cmd->id = id_priv->handle; - cmd->event = event; - ret = write(id->channel->fd, msg, size); - if (ret != size) - return (ret >= 0) ? ERR(ECONNREFUSED) : -1; + cmd.id = id_priv->handle; + cmd.event = event; + ret = write(id->channel->fd, &cmd, sizeof cmd); + if (ret != sizeof cmd) + return (ret >= 0) ? ERR(ENODATA) : -1; return 0; } -int rdma_disconnect(struct rdma_cm_id *id) +int ucma_shutdown(struct rdma_cm_id *id) { - struct ucma_abi_disconnect *cmd; - struct cma_id_private *id_priv; - void *msg; - int ret, size; - switch (id->verbs->device->transport_type) { case IBV_TRANSPORT_IB: - ret = ucma_modify_qp_err(id); - break; + return ucma_modify_qp_err(id); case IBV_TRANSPORT_IWARP: - ret = ucma_modify_qp_sqd(id); - break; + return ucma_modify_qp_sqd(id); default: - ret = ERR(EINVAL); + return ERR(EINVAL); } +} + +int rdma_disconnect(struct rdma_cm_id *id) +{ + struct ucma_abi_disconnect cmd; + struct cma_id_private *id_priv; + int ret; + + ret = ucma_shutdown(id); if (ret) return ret; - CMA_CREATE_MSG_CMD(msg, cmd, UCMA_CMD_DISCONNECT, size); + CMA_INIT_CMD(&cmd, sizeof cmd, DISCONNECT); id_priv = container_of(id, struct cma_id_private, id); - cmd->id = id_priv->handle; + cmd.id = id_priv->handle; - ret = write(id->channel->fd, msg, size); - if (ret != size) - return (ret >= 0) ? ERR(ECONNREFUSED) : -1; + ret = write(id->channel->fd, &cmd, sizeof cmd); + if (ret != sizeof cmd) + return (ret >= 0) ? ERR(ENODATA) : -1; - return 0; + return ucma_complete(id); } -int rdma_join_multicast(struct rdma_cm_id *id, struct sockaddr *addr, - void *context) +static int rdma_join_multicast2(struct rdma_cm_id *id, struct sockaddr *addr, + socklen_t addrlen, void *context) { - struct ucma_abi_join_mcast *cmd; - struct ucma_abi_create_id_resp *resp; + struct ucma_abi_create_id_resp resp; struct cma_id_private *id_priv; struct cma_multicast *mc, **pos; - void *msg; - int ret, size, addrlen; + int ret; id_priv = container_of(id, struct cma_id_private, id); - addrlen = ucma_addrlen(addr); - if (!addrlen) - return ERR(EINVAL); - - mc = malloc(sizeof *mc); + mc = calloc(1, sizeof *mc); if (!mc) return ERR(ENOMEM); - memset(mc, 0, sizeof *mc); mc->context = context; mc->id_priv = id_priv; memcpy(&mc->addr, addr, addrlen); @@ -1060,21 +1776,41 @@ id_priv->mc_list = mc; pthread_mutex_unlock(&id_priv->mut); - CMA_CREATE_MSG_CMD_RESP(msg, cmd, resp, UCMA_CMD_JOIN_MCAST, size); - cmd->id = id_priv->handle; - memcpy(&cmd->addr, addr, addrlen); - cmd->uid = (uintptr_t) mc; + if (af_ib_support) { + struct ucma_abi_join_mcast cmd; - ret = write(id->channel->fd, msg, size); - if (ret != size) { - ret = (ret >= 0) ? ERR(ECONNREFUSED) : -1; - goto err2; + CMA_INIT_CMD_RESP(&cmd, sizeof cmd, JOIN_MCAST, &resp, sizeof resp); + cmd.id = id_priv->handle; + memcpy(&cmd.addr, addr, addrlen); + cmd.addr_size = addrlen; + cmd.uid = (uintptr_t) mc; + cmd.reserved = 0; + + ret = write(id->channel->fd, &cmd, sizeof cmd); + if (ret != sizeof cmd) { + ret = (ret >= 0) ? ERR(ENODATA) : -1; + goto err2; + } + } else { + struct ucma_abi_join_ip_mcast cmd; + + CMA_INIT_CMD_RESP(&cmd, sizeof cmd, JOIN_IP_MCAST, &resp, sizeof resp); + cmd.id = id_priv->handle; + memcpy(&cmd.addr, addr, addrlen); + cmd.uid = (uintptr_t) mc; + + ret = write(id->channel->fd, &cmd, sizeof cmd); + if (ret != sizeof cmd) { + ret = (ret >= 0) ? ERR(ENODATA) : -1; + goto err2; + } } - VALGRIND_MAKE_MEM_DEFINED(resp, sizeof *resp); + VALGRIND_MAKE_MEM_DEFINED(&resp, sizeof resp); + + mc->handle = resp.id; + return ucma_complete(id); - mc->handle = resp->id; - return 0; err2: pthread_mutex_lock(&id_priv->mut); for (pos = &id_priv->mc_list; *pos != mc; pos = &(*pos)->next) @@ -1086,14 +1822,25 @@ return ret; } +int rdma_join_multicast(struct rdma_cm_id *id, struct sockaddr *addr, + void *context) +{ + int addrlen; + + addrlen = ucma_addrlen(addr); + if (!addrlen) + return ERR(EINVAL); + + return rdma_join_multicast2(id, addr, addrlen, context); +} + int rdma_leave_multicast(struct rdma_cm_id *id, struct sockaddr *addr) { - struct ucma_abi_destroy_id *cmd; - struct ucma_abi_destroy_id_resp *resp; + struct ucma_abi_destroy_id cmd; + struct ucma_abi_destroy_id_resp resp; struct cma_id_private *id_priv; struct cma_multicast *mc, **pos; - void *msg; - int ret, size, addrlen; + int ret, addrlen; addrlen = ucma_addrlen(addr); if (!addrlen) @@ -1115,19 +1862,19 @@ if (id->qp) ibv_detach_mcast(id->qp, &mc->mgid, mc->mlid); - CMA_CREATE_MSG_CMD_RESP(msg, cmd, resp, UCMA_CMD_LEAVE_MCAST, size); - cmd->id = mc->handle; + CMA_INIT_CMD_RESP(&cmd, sizeof cmd, LEAVE_MCAST, &resp, sizeof resp); + cmd.id = mc->handle; - ret = write(id->channel->fd, msg, size); - if (ret != size) { - ret = (ret >= 0) ? ERR(ECONNREFUSED) : -1; + ret = write(id->channel->fd, &cmd, sizeof cmd); + if (ret != sizeof cmd) { + ret = (ret >= 0) ? ERR(ENODATA) : -1; goto free; } - VALGRIND_MAKE_MEM_DEFINED(resp, sizeof *resp); + VALGRIND_MAKE_MEM_DEFINED(&resp, sizeof resp); pthread_mutex_lock(&id_priv->mut); - while (mc->events_completed < resp->events_reported) + while (mc->events_completed < resp.events_reported) pthread_cond_wait(&mc->cond, &id_priv->mut); pthread_mutex_unlock(&id_priv->mut); @@ -1172,6 +1919,57 @@ return 0; } +static void ucma_process_addr_resolved(struct cma_event *evt) +{ + if (af_ib_support) { + evt->event.status = ucma_query_addr(&evt->id_priv->id); + if (!evt->event.status && + evt->id_priv->id.verbs->device->transport_type == IBV_TRANSPORT_IB) + evt->event.status = ucma_query_gid(&evt->id_priv->id); + } else { + evt->event.status = ucma_query_route(&evt->id_priv->id); + } + + if (evt->event.status) + evt->event.event = RDMA_CM_EVENT_ADDR_ERROR; +} + +static void ucma_process_route_resolved(struct cma_event *evt) +{ + if (evt->id_priv->id.verbs->device->transport_type != IBV_TRANSPORT_IB) + return; + + if (af_ib_support) + evt->event.status = ucma_query_path(&evt->id_priv->id); + else + evt->event.status = ucma_query_route(&evt->id_priv->id); + + if (evt->event.status) + evt->event.event = RDMA_CM_EVENT_ROUTE_ERROR; +} + +static int ucma_query_req_info(struct rdma_cm_id *id) +{ + int ret; + + if (!af_ib_support) + return ucma_query_route(id); + + ret = ucma_query_addr(id); + if (ret) + return ret; + + ret = ucma_query_gid(id); + if (ret) + return ret; + + ret = ucma_query_path(id); + if (ret) + return ret; + + return 0; +} + static int ucma_process_conn_req(struct cma_event *evt, uint32_t handle) { @@ -1179,49 +1977,59 @@ int ret; id_priv = ucma_alloc_id(evt->id_priv->id.channel, - evt->id_priv->id.context, evt->id_priv->id.ps); + evt->id_priv->id.context, evt->id_priv->id.ps, + evt->id_priv->id.qp_type); if (!id_priv) { ucma_destroy_kern_id(evt->id_priv->id.channel->fd, handle); ret = ERR(ENOMEM); - goto err; + goto err1; } evt->event.listen_id = &evt->id_priv->id; evt->event.id = &id_priv->id; id_priv->handle = handle; + ucma_insert_id(id_priv); + id_priv->initiator_depth = evt->event.param.conn.initiator_depth; + id_priv->responder_resources = evt->event.param.conn.responder_resources; - ret = ucma_query_route(&id_priv->id); - if (ret) { - rdma_destroy_id(&id_priv->id); - goto err; + if (evt->id_priv->sync) { + ret = rdma_migrate_id(&id_priv->id, NULL); + if (ret) + goto err2; } + ret = ucma_query_req_info(&id_priv->id); + if (ret) + goto err2; + return 0; -err: + +err2: + rdma_destroy_id(&id_priv->id); +err1: ucma_complete_event(evt->id_priv); return ret; } static int ucma_process_conn_resp(struct cma_id_private *id_priv) { - struct ucma_abi_accept *cmd; - void *msg; - int ret, size; + struct ucma_abi_accept cmd; + int ret; - ret = ucma_modify_qp_rtr(&id_priv->id, NULL); + ret = ucma_modify_qp_rtr(&id_priv->id, RDMA_MAX_RESP_RES); if (ret) goto err; - ret = ucma_modify_qp_rts(&id_priv->id); + ret = ucma_modify_qp_rts(&id_priv->id, RDMA_MAX_INIT_DEPTH); if (ret) goto err; - CMA_CREATE_MSG_CMD(msg, cmd, UCMA_CMD_ACCEPT, size); - cmd->id = id_priv->handle; + CMA_INIT_CMD(&cmd, sizeof cmd, ACCEPT); + cmd.id = id_priv->handle; - ret = write(id_priv->id.channel->fd, msg, size); - if (ret != size) { - ret = (ret >= 0) ? ERR(ECONNREFUSED) : -1; + ret = write(id_priv->id.channel->fd, &cmd, sizeof cmd); + if (ret != sizeof cmd) { + ret = (ret >= 0) ? ERR(ENODATA) : -1; goto err; } @@ -1231,17 +2039,6 @@ return ret; } -static int ucma_process_establish(struct rdma_cm_id *id) -{ - int ret; - - ret = ucma_modify_qp_rts(id); - if (ret) - ucma_modify_qp_err(id); - - return ret; -} - static int ucma_process_join(struct cma_event *evt) { evt->mc->mgid = evt->event.param.ud.ah_attr.grh.dgid; @@ -1250,8 +2047,8 @@ if (!evt->id_priv->id.qp) return 0; - return ibv_attach_mcast(evt->id_priv->id.qp, &evt->mc->mgid, - evt->mc->mlid); + return rdma_seterrno(ibv_attach_mcast(evt->id_priv->id.qp, + &evt->mc->mgid, evt->mc->mlid)); } static void ucma_copy_conn_event(struct cma_event *event, @@ -1295,13 +2092,12 @@ int rdma_get_cm_event(struct rdma_event_channel *channel, struct rdma_cm_event **event) { - struct ucma_abi_event_resp *resp; - struct ucma_abi_get_event *cmd; + struct ucma_abi_event_resp resp; + struct ucma_abi_get_event cmd; struct cma_event *evt; - void *msg; - int ret, size; + int ret; - ret = cma_dev_cnt ? 0 : ucma_init(); + ret = ucma_init(); if (ret) return ret; @@ -1314,44 +2110,61 @@ retry: memset(evt, 0, sizeof *evt); - CMA_CREATE_MSG_CMD_RESP(msg, cmd, resp, UCMA_CMD_GET_EVENT, size); - ret = write(channel->fd, msg, size); - if (ret != size) { + CMA_INIT_CMD_RESP(&cmd, sizeof cmd, GET_EVENT, &resp, sizeof resp); + ret = write(channel->fd, &cmd, sizeof cmd); + if (ret != sizeof cmd) { free(evt); - return (ret >= 0) ? ERR(ECONNREFUSED) : -1; + return (ret >= 0) ? ERR(ENODATA) : -1; } - VALGRIND_MAKE_MEM_DEFINED(resp, sizeof *resp); + VALGRIND_MAKE_MEM_DEFINED(&resp, sizeof resp); - evt->event.event = resp->event; - evt->id_priv = (void *) (uintptr_t) resp->uid; + evt->event.event = resp.event; + /* + * We should have a non-zero uid, except for connection requests. + * But a bug in older kernels can report a uid 0. Work-around this + * issue by looking up the cma_id based on the kernel's id when the + * uid is 0 and we're processing a connection established event. + * In all other cases, if the uid is 0, we discard the event, like + * the kernel should have done. + */ + if (resp.uid) { + evt->id_priv = (void *) (uintptr_t) resp.uid; + } else { + evt->id_priv = ucma_lookup_id(resp.id); + if (!evt->id_priv) { + syslog(LOG_WARNING, PFX "Warning: discarding unmatched " + "event - rdma_destroy_id may hang.\n"); + goto retry; + } + if (resp.event != RDMA_CM_EVENT_ESTABLISHED) { + ucma_complete_event(evt->id_priv); + goto retry; + } + } evt->event.id = &evt->id_priv->id; - evt->event.status = resp->status; + evt->event.status = resp.status; - switch (resp->event) { + switch (resp.event) { case RDMA_CM_EVENT_ADDR_RESOLVED: - evt->event.status = ucma_query_route(&evt->id_priv->id); - if (evt->event.status) - evt->event.event = RDMA_CM_EVENT_ADDR_ERROR; + ucma_process_addr_resolved(evt); break; case RDMA_CM_EVENT_ROUTE_RESOLVED: - evt->event.status = ucma_query_route(&evt->id_priv->id); - if (evt->event.status) - evt->event.event = RDMA_CM_EVENT_ROUTE_ERROR; + ucma_process_route_resolved(evt); break; case RDMA_CM_EVENT_CONNECT_REQUEST: - evt->id_priv = (void *) (uintptr_t) resp->uid; - if (ucma_is_ud_ps(evt->id_priv->id.ps)) - ucma_copy_ud_event(evt, &resp->param.ud); + evt->id_priv = (void *) (uintptr_t) resp.uid; + if (ucma_is_ud_qp(evt->id_priv->id.qp_type)) + ucma_copy_ud_event(evt, &resp.param.ud); else - ucma_copy_conn_event(evt, &resp->param.conn); + ucma_copy_conn_event(evt, &resp.param.conn); - ret = ucma_process_conn_req(evt, resp->id); + ret = ucma_process_conn_req(evt, resp.id); if (ret) goto retry; break; case RDMA_CM_EVENT_CONNECT_RESPONSE: - ucma_copy_conn_event(evt, &resp->param.conn); + ucma_copy_conn_event(evt, &resp.param.conn); evt->event.status = ucma_process_conn_resp(evt->id_priv); if (!evt->event.status) evt->event.event = RDMA_CM_EVENT_ESTABLISHED; @@ -1361,24 +2174,19 @@ } break; case RDMA_CM_EVENT_ESTABLISHED: - if (ucma_is_ud_ps(evt->id_priv->id.ps)) { - ucma_copy_ud_event(evt, &resp->param.ud); + if (ucma_is_ud_qp(evt->id_priv->id.qp_type)) { + ucma_copy_ud_event(evt, &resp.param.ud); break; } - ucma_copy_conn_event(evt, &resp->param.conn); - evt->event.status = ucma_process_establish(&evt->id_priv->id); - if (evt->event.status) { - evt->event.event = RDMA_CM_EVENT_CONNECT_ERROR; - evt->id_priv->connect_error = 1; - } + ucma_copy_conn_event(evt, &resp.param.conn); break; case RDMA_CM_EVENT_REJECTED: if (evt->id_priv->connect_error) { ucma_complete_event(evt->id_priv); goto retry; } - ucma_copy_conn_event(evt, &resp->param.conn); + ucma_copy_conn_event(evt, &resp.param.conn); ucma_modify_qp_err(evt->event.id); break; case RDMA_CM_EVENT_DISCONNECTED: @@ -1386,32 +2194,32 @@ ucma_complete_event(evt->id_priv); goto retry; } - ucma_copy_conn_event(evt, &resp->param.conn); + ucma_copy_conn_event(evt, &resp.param.conn); break; case RDMA_CM_EVENT_MULTICAST_JOIN: - evt->mc = (void *) (uintptr_t) resp->uid; + evt->mc = (void *) (uintptr_t) resp.uid; evt->id_priv = evt->mc->id_priv; evt->event.id = &evt->id_priv->id; - ucma_copy_ud_event(evt, &resp->param.ud); + ucma_copy_ud_event(evt, &resp.param.ud); evt->event.param.ud.private_data = evt->mc->context; evt->event.status = ucma_process_join(evt); if (evt->event.status) evt->event.event = RDMA_CM_EVENT_MULTICAST_ERROR; break; case RDMA_CM_EVENT_MULTICAST_ERROR: - evt->mc = (void *) (uintptr_t) resp->uid; + evt->mc = (void *) (uintptr_t) resp.uid; evt->id_priv = evt->mc->id_priv; evt->event.id = &evt->id_priv->id; evt->event.param.ud.private_data = evt->mc->context; break; default: - evt->id_priv = (void *) (uintptr_t) resp->uid; + evt->id_priv = (void *) (uintptr_t) resp.uid; evt->event.id = &evt->id_priv->id; - evt->event.status = resp->status; - if (ucma_is_ud_ps(evt->id_priv->id.ps)) - ucma_copy_ud_event(evt, &resp->param.ud); + evt->event.status = resp.status; + if (ucma_is_ud_qp(evt->id_priv->id.qp_type)) + ucma_copy_ud_event(evt, &resp.param.ud); else - ucma_copy_conn_event(evt, &resp->param.conn); + ucma_copy_conn_event(evt, &resp.param.conn); break; } @@ -1462,44 +2270,62 @@ int rdma_set_option(struct rdma_cm_id *id, int level, int optname, void *optval, size_t optlen) { - struct ucma_abi_set_option *cmd; + struct ucma_abi_set_option cmd; struct cma_id_private *id_priv; - void *msg; - int ret, size; + int ret; - CMA_CREATE_MSG_CMD(msg, cmd, UCMA_CMD_SET_OPTION, size); + CMA_INIT_CMD(&cmd, sizeof cmd, SET_OPTION); id_priv = container_of(id, struct cma_id_private, id); - cmd->id = id_priv->handle; - cmd->optval = (uintptr_t) optval; - cmd->level = level; - cmd->optname = optname; - cmd->optlen = optlen; + cmd.id = id_priv->handle; + cmd.optval = (uintptr_t) optval; + cmd.level = level; + cmd.optname = optname; + cmd.optlen = optlen; - ret = write(id->channel->fd, msg, size); - if (ret != size) - return (ret >= 0) ? ERR(ECONNREFUSED) : -1; + ret = write(id->channel->fd, &cmd, sizeof cmd); + if (ret != sizeof cmd) + return (ret >= 0) ? ERR(ENODATA) : -1; return 0; } int rdma_migrate_id(struct rdma_cm_id *id, struct rdma_event_channel *channel) { - struct ucma_abi_migrate_resp *resp; - struct ucma_abi_migrate_id *cmd; + struct ucma_abi_migrate_resp resp; + struct ucma_abi_migrate_id cmd; struct cma_id_private *id_priv; - void *msg; - int ret, size; + int ret, sync; id_priv = container_of(id, struct cma_id_private, id); - CMA_CREATE_MSG_CMD_RESP(msg, cmd, resp, UCMA_CMD_MIGRATE_ID, size); - cmd->id = id_priv->handle; - cmd->fd = id->channel->fd; + if (id_priv->sync && !channel) + return ERR(EINVAL); - ret = write(channel->fd, msg, size); - if (ret != size) - return (ret >= 0) ? ERR(ECONNREFUSED) : -1; + if ((sync = (channel == NULL))) { + channel = rdma_create_event_channel(); + if (!channel) + return -1; + } + + CMA_INIT_CMD_RESP(&cmd, sizeof cmd, MIGRATE_ID, &resp, sizeof resp); + cmd.id = id_priv->handle; + cmd.fd = id->channel->fd; + + ret = write(channel->fd, &cmd, sizeof cmd); + if (ret != sizeof cmd) { + if (sync) + rdma_destroy_event_channel(channel); + return (ret >= 0) ? ERR(ENODATA) : -1; + } - VALGRIND_MAKE_MEM_DEFINED(resp, sizeof *resp); + VALGRIND_MAKE_MEM_DEFINED(&resp, sizeof resp); + + if (id_priv->sync) { + if (id->event) { + rdma_ack_cm_event(id->event); + id->event = NULL; + } + rdma_destroy_event_channel(id->channel); + } /* * Eventually if we want to support migrating channels while events are @@ -1509,10 +2335,164 @@ * channel after this call returns. */ pthread_mutex_lock(&id_priv->mut); + id_priv->sync = sync; id->channel = channel; - while (id_priv->events_completed < resp->events_reported) + while (id_priv->events_completed < resp.events_reported) pthread_cond_wait(&id_priv->cond, &id_priv->mut); pthread_mutex_unlock(&id_priv->mut); return 0; } + +static int ucma_passive_ep(struct rdma_cm_id *id, struct rdma_addrinfo *res, + struct ibv_pd *pd, struct ibv_qp_init_attr *qp_init_attr) +{ + struct cma_id_private *id_priv; + int ret; + + if (af_ib_support) + ret = rdma_bind_addr2(id, res->ai_src_addr, res->ai_src_len); + else + ret = rdma_bind_addr(id, res->ai_src_addr); + if (ret) + return ret; + + id_priv = container_of(id, struct cma_id_private, id); + if (pd) + id->pd = pd; + + if (qp_init_attr) { + id_priv->qp_init_attr = malloc(sizeof *qp_init_attr); + if (!id_priv->qp_init_attr) + return ERR(ENOMEM); + + *id_priv->qp_init_attr = *qp_init_attr; + id_priv->qp_init_attr->qp_type = res->ai_qp_type; + } + + return 0; +} + +int rdma_create_ep(struct rdma_cm_id **id, struct rdma_addrinfo *res, + struct ibv_pd *pd, struct ibv_qp_init_attr *qp_init_attr) +{ + struct rdma_cm_id *cm_id; + struct cma_id_private *id_priv; + int ret; + + ret = rdma_create_id2(NULL, &cm_id, NULL, res->ai_port_space, res->ai_qp_type); + if (ret) + return ret; + + if (res->ai_flags & RAI_PASSIVE) { + ret = ucma_passive_ep(cm_id, res, pd, qp_init_attr); + if (ret) + goto err; + goto out; + } + + if (af_ib_support) + ret = rdma_resolve_addr2(cm_id, res->ai_src_addr, res->ai_src_len, + res->ai_dst_addr, res->ai_dst_len, 2000); + else + ret = rdma_resolve_addr(cm_id, res->ai_src_addr, res->ai_dst_addr, 2000); + if (ret) + goto err; + + if (res->ai_route_len) { + ret = rdma_set_option(cm_id, RDMA_OPTION_IB, RDMA_OPTION_IB_PATH, + res->ai_route, res->ai_route_len); + if (!ret) + ret = ucma_complete(cm_id); + } else { + ret = rdma_resolve_route(cm_id, 2000); + } + if (ret) + goto err; + + if (qp_init_attr) { + qp_init_attr->qp_type = res->ai_qp_type; + ret = rdma_create_qp(cm_id, pd, qp_init_attr); + if (ret) + goto err; + } + + if (res->ai_connect_len) { + id_priv = container_of(cm_id, struct cma_id_private, id); + id_priv->connect = malloc(res->ai_connect_len); + if (!id_priv->connect) { + ret = ERR(ENOMEM); + goto err; + } + memcpy(id_priv->connect, res->ai_connect, res->ai_connect_len); + id_priv->connect_len = res->ai_connect_len; + } + +out: + *id = cm_id; + return 0; + +err: + rdma_destroy_ep(cm_id); + return ret; +} + +void rdma_destroy_ep(struct rdma_cm_id *id) +{ + struct cma_id_private *id_priv; + + if (id->qp) + rdma_destroy_qp(id); + + if (id->srq) + rdma_destroy_srq(id); + + id_priv = container_of(id, struct cma_id_private, id); + if (id_priv->qp_init_attr) + free(id_priv->qp_init_attr); + + rdma_destroy_id(id); +} + +int ucma_max_qpsize(struct rdma_cm_id *id) +{ + struct cma_id_private *id_priv; + int i, max_size = 0; + + id_priv = container_of(id, struct cma_id_private, id); + if (id && id_priv->cma_dev) { + max_size = id_priv->cma_dev->max_qpsize; + } else { + ucma_init_all(); + for (i = 0; i < cma_dev_cnt; i++) { + if (!max_size || max_size > cma_dev_array[i].max_qpsize) + max_size = cma_dev_array[i].max_qpsize; + } + } + return max_size; +} + +uint16_t ucma_get_port(struct sockaddr *addr) +{ + switch (addr->sa_family) { + case AF_INET: + return ((struct sockaddr_in *) addr)->sin_port; + case AF_INET6: + return ((struct sockaddr_in6 *) addr)->sin6_port; + case AF_IB: + return htons((uint16_t) ntohll(((struct sockaddr_ib *) addr)->sib_sid)); + default: + return 0; + } +} + +uint16_t rdma_get_src_port(struct rdma_cm_id *id) +{ + return ucma_get_port(&id->route.addr.src_addr); +} + +uint16_t rdma_get_dst_port(struct rdma_cm_id *id) +{ + return ucma_get_port(&id->route.addr.dst_addr); +} + Index: contrib/ofed/librdmacm/src/indexer.h =================================================================== --- /dev/null +++ contrib/ofed/librdmacm/src/indexer.h @@ -0,0 +1,144 @@ +/* + * Copyright (c) 2011 Intel Corporation. All rights reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * OpenIB.org BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + */ + +#if !defined(INDEXER_H) +#define INDEXER_H + +#if HAVE_CONFIG_H +# include +#endif /* HAVE_CONFIG_H */ + +#include + +/* + * Indexer - to find a structure given an index. Synchronization + * must be provided by the caller. Caller must initialize the + * indexer by setting free_list and size to 0. + */ + +union idx_entry { + void *item; + int next; +}; + +#define IDX_INDEX_BITS 16 +#define IDX_ENTRY_BITS 10 +#define IDX_ENTRY_SIZE (1 << IDX_ENTRY_BITS) +#define IDX_ARRAY_SIZE (1 << (IDX_INDEX_BITS - IDX_ENTRY_BITS)) +#define IDX_MAX_INDEX ((1 << IDX_INDEX_BITS) - 1) + +struct indexer +{ + union idx_entry *array[IDX_ARRAY_SIZE]; + int free_list; + int size; +}; + +#define idx_array_index(index) (index >> IDX_ENTRY_BITS) +#define idx_entry_index(index) (index & (IDX_ENTRY_SIZE - 1)) + +int idx_insert(struct indexer *idx, void *item); +void *idx_remove(struct indexer *idx, int index); +void idx_replace(struct indexer *idx, int index, void *item); + +static inline void *idx_at(struct indexer *idx, int index) +{ + return (idx->array[idx_array_index(index)] + idx_entry_index(index))->item; +} + +/* + * Index map - associates a structure with an index. Synchronization + * must be provided by the caller. Caller must initialize the + * index map by setting it to 0. + */ + +struct index_map +{ + void **array[IDX_ARRAY_SIZE]; +}; + +int idm_set(struct index_map *idm, int index, void *item); +void *idm_clear(struct index_map *idm, int index); + +static inline void *idm_at(struct index_map *idm, int index) +{ + void **entry; + entry = idm->array[idx_array_index(index)]; + return entry[idx_entry_index(index)]; +} + +static inline void *idm_lookup(struct index_map *idm, int index) +{ + return ((index <= IDX_MAX_INDEX) && idm->array[idx_array_index(index)]) ? + idm_at(idm, index) : NULL; +} + +typedef struct _dlist_entry { + struct _dlist_entry *next; + struct _dlist_entry *prev; +} dlist_entry; + +static inline void dlist_init(dlist_entry *head) +{ + head->next = head; + head->prev = head; +} + +static inline int dlist_empty(dlist_entry *head) +{ + return head->next == head; +} + +static inline void dlist_insert_after(dlist_entry *item, dlist_entry *head) +{ + item->next = head->next; + item->prev = head; + head->next->prev = item; + head->next = item; +} + +static inline void dlist_insert_before(dlist_entry *item, dlist_entry *head) +{ + dlist_insert_after(item, head->prev); +} + +#define dlist_insert_head dlist_insert_after +#define dlist_insert_tail dlist_insert_before + +static inline void dlist_remove(dlist_entry *item) +{ + item->prev->next = item->next; + item->next->prev = item->prev; +} + +#endif /* INDEXER_H */ Index: contrib/ofed/librdmacm/src/indexer.c =================================================================== --- /dev/null +++ contrib/ofed/librdmacm/src/indexer.c @@ -0,0 +1,166 @@ +/* + * Copyright (c) 2011 Intel Corporation. All rights reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * OpenIB.org BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + */ + +#if HAVE_CONFIG_H +# include +#endif /* HAVE_CONFIG_H */ + +#include +#include +#include + +#include "indexer.h" + +/* + * Indexer - to find a structure given an index + * + * We store pointers using a double lookup and return an index to the + * user which is then used to retrieve the pointer. The upper bits of + * the index are itself an index into an array of memory allocations. + * The lower bits specify the offset into the allocated memory where + * the pointer is stored. + * + * This allows us to adjust the number of pointers stored by the index + * list without taking a lock during data lookups. + */ + +static int idx_grow(struct indexer *idx) +{ + union idx_entry *entry; + int i, start_index; + + if (idx->size >= IDX_ARRAY_SIZE) + goto nomem; + + idx->array[idx->size] = calloc(IDX_ENTRY_SIZE, sizeof(union idx_entry)); + if (!idx->array[idx->size]) + goto nomem; + + entry = idx->array[idx->size]; + start_index = idx->size << IDX_ENTRY_BITS; + entry[IDX_ENTRY_SIZE - 1].next = idx->free_list; + + for (i = IDX_ENTRY_SIZE - 2; i >= 0; i--) + entry[i].next = start_index + i + 1; + + /* Index 0 is reserved */ + if (start_index == 0) + start_index++; + idx->free_list = start_index; + idx->size++; + return start_index; + +nomem: + errno = ENOMEM; + return -1; +} + +int idx_insert(struct indexer *idx, void *item) +{ + union idx_entry *entry; + int index; + + if ((index = idx->free_list) == 0) { + if ((index = idx_grow(idx)) <= 0) + return index; + } + + entry = idx->array[idx_array_index(index)]; + idx->free_list = entry[idx_entry_index(index)].next; + entry[idx_entry_index(index)].item = item; + return index; +} + +void *idx_remove(struct indexer *idx, int index) +{ + union idx_entry *entry; + void *item; + + entry = idx->array[idx_array_index(index)]; + item = entry[idx_entry_index(index)].item; + entry[idx_entry_index(index)].next = idx->free_list; + idx->free_list = index; + return item; +} + +void idx_replace(struct indexer *idx, int index, void *item) +{ + union idx_entry *entry; + + entry = idx->array[idx_array_index(index)]; + entry[idx_entry_index(index)].item = item; +} + + +static int idm_grow(struct index_map *idm, int index) +{ + idm->array[idx_array_index(index)] = calloc(IDX_ENTRY_SIZE, sizeof(void *)); + if (!idm->array[idx_array_index(index)]) + goto nomem; + + return index; + +nomem: + errno = ENOMEM; + return -1; +} + +int idm_set(struct index_map *idm, int index, void *item) +{ + void **entry; + + if (index > IDX_MAX_INDEX) { + errno = ENOMEM; + return -1; + } + + if (!idm->array[idx_array_index(index)]) { + if (idm_grow(idm, index) < 0) + return -1; + } + + entry = idm->array[idx_array_index(index)]; + entry[idx_entry_index(index)] = item; + return index; +} + +void *idm_clear(struct index_map *idm, int index) +{ + void **entry; + void *item; + + entry = idm->array[idx_array_index(index)]; + item = entry[idx_entry_index(index)]; + entry[idx_entry_index(index)] = NULL; + return item; +} Index: contrib/ofed/librdmacm/src/librdmacm.map =================================================================== --- contrib/ofed/librdmacm/src/librdmacm.map +++ contrib/ofed/librdmacm/src/librdmacm.map @@ -28,5 +28,45 @@ rdma_get_local_addr; rdma_get_peer_addr; rdma_migrate_id; + rdma_getaddrinfo; + rdma_freeaddrinfo; + rdma_get_request; + rdma_create_ep; + rdma_destroy_ep; + rdma_create_srq; + rdma_destroy_srq; + rsocket; + rbind; + rlisten; + raccept; + rconnect; + rshutdown; + rclose; + rrecv; + rrecvfrom; + rrecvmsg; + rsend; + rsendto; + rsendmsg; + rread; + rreadv; + rwrite; + rwritev; + rpoll; + rselect; + rgetpeername; + rgetsockname; + rsetsockopt; + rgetsockopt; + rfcntl; + rpoll; + rselect; + rdma_get_src_port; + rdma_get_dst_port; + riomap; + riounmap; + riowrite; + rdma_create_srq_ex; + rdma_create_qp_ex; local: *; }; Index: contrib/ofed/usr.lib/librdmacm/Makefile =================================================================== --- contrib/ofed/usr.lib/librdmacm/Makefile +++ contrib/ofed/usr.lib/librdmacm/Makefile @@ -14,18 +14,30 @@ SHLIB_MAJOR= 1 MK_PROFILE= no -SRCS= cma.c - -MAN= rdma_get_devices.3 mckey.1 rdma_get_dst_port.3 rdma_accept.3 -MAN+= rdma_get_local_addr.3 rdma_ack_cm_event.3 rdma_get_peer_addr.3 -MAN+= rdma_bind_addr.3 rdma_get_src_port.3 rdma_cm.7 rdma_join_multicast.3 -MAN+= rdma_connect.3 rdma_leave_multicast.3 rdma_create_event_channel.3 -MAN+= rdma_listen.3 rdma_create_id.3 rdma_migrate_id.3 rdma_create_qp.3 -MAN+= rdma_notify.3 rdma_destroy_event_channel.3 rdma_reject.3 -MAN+= rdma_destroy_id.3 rdma_resolve_addr.3 rdma_destroy_qp.3 -MAN+= rdma_resolve_route.3 rdma_disconnect.3 rdma_set_option.3 -MAN+= rdma_event_str.3 rping.1 rdma_free_devices.3 ucmatose.1 -MAN+= rdma_get_cm_event.3 udaddy.1 +SRCS= \ +acm.c \ +addrinfo.c \ +cma.c \ +indexer.c + +CFLAGS+= -DHAVE_CONFIG_H=1 + +MAN= \ +mckey.1 rdma_accept.3 rdma_ack_cm_event.3 rdma_bind_addr.3 rdma_cm.7 \ +rdma_connect.3 rdma_create_ep.3 rdma_create_event_channel.3 \ +rdma_create_id.3 rdma_create_qp.3 rdma_create_srq.3 rdma_dereg_mr.3 \ +rdma_destroy_ep.3 rdma_destroy_event_channel.3 rdma_destroy_id.3 \ +rdma_destroy_qp.3 rdma_destroy_srq.3 rdma_disconnect.3 rdma_event_str.3 \ +rdma_free_devices.3 rdma_get_cm_event.3 rdma_get_devices.3 \ +rdma_get_dst_port.3 rdma_get_local_addr.3 rdma_get_peer_addr.3 \ +rdma_get_recv_comp.3 rdma_get_request.3 rdma_get_send_comp.3 \ +rdma_get_src_port.3 rdma_getaddrinfo.3 rdma_join_multicast.3 \ +rdma_leave_multicast.3 rdma_listen.3 rdma_migrate_id.3 rdma_notify.3 \ +rdma_post_read.3 rdma_post_readv.3 rdma_post_recv.3 rdma_post_recvv.3 \ +rdma_post_send.3 rdma_post_sendv.3 rdma_post_ud_send.3 \ +rdma_post_write.3 rdma_post_writev.3 rdma_reg_msgs.3 rdma_reg_read.3 \ +rdma_reg_write.3 rdma_reject.3 rdma_resolve_addr.3 rdma_resolve_route.3 \ +rdma_set_option.3 rping.1 ucmatose.1 udaddy.1 LIBADD= ibverbs Index: contrib/ofed/usr.lib/librdmacm/config.h =================================================================== --- /dev/null +++ contrib/ofed/usr.lib/librdmacm/config.h @@ -0,0 +1,2 @@ +#define STREAM_CLOEXEC "e" +#define ENODATA ENOBUFS