Skip to content

OSHMEM/CONFIGURE: Check for the presence of ibv_exp_reg_shared_mr. #4315

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Oct 13, 2017
Merged

OSHMEM/CONFIGURE: Check for the presence of ibv_exp_reg_shared_mr. #4315

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
23 changes: 21 additions & 2 deletions oshmem/mca/sshmem/verbs/configure.m4
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -76,6 +76,26 @@ AC_DEFUN([MCA_oshmem_sshmem_verbs_CONFIG],[
exp_reg_mr_happy=0
AS_IF([test "$oshmem_have_mpage" = "3"],
[
oshmem_verbs_save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -Wno-strict-prototypes -Werror"

AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[#include <infiniband/verbs_exp.h>]],
[[
struct ibv_exp_reg_shared_mr_in in_smr;
uint64_t access_flags = IBV_EXP_ACCESS_SHARED_MR_USER_READ |
IBV_EXP_ACCESS_SHARED_MR_USER_WRITE |
IBV_EXP_ACCESS_SHARED_MR_GROUP_READ |
IBV_EXP_ACCESS_SHARED_MR_GROUP_WRITE |
IBV_EXP_ACCESS_SHARED_MR_OTHER_READ |
IBV_EXP_ACCESS_SHARED_MR_OTHER_WRITE;
in_smr.exp_access = access_flags;
ibv_exp_reg_shared_mr(&in_smr);
]])], [],
[oshmem_verbs_sm_build_verbs=0])

CFLAGS="$oshmem_verbs_save_CFLAGS"

AC_CHECK_MEMBER([struct ibv_exp_reg_shared_mr_in.exp_access],
[exp_access_happy=1],
[],
Expand All @@ -90,8 +110,7 @@ AC_DEFUN([MCA_oshmem_sshmem_verbs_CONFIG],[
AC_DEFINE_UNQUOTED(MPAGE_HAVE_IBV_EXP_REG_MR_CREATE_FLAGS, $exp_reg_mr_happy, [create_flags field is part of ibv_exp_reg_mr_in])

AS_IF([test "$enable_verbs_sshmem" = "yes" && test "$oshmem_verbs_sm_build_verbs" = "0"],
[AC_MSG_WARN([VERBS shared memory support requested but not found])
AC_MSG_ERROR([Cannot continue])])
[AC_MSG_WARN([VERBS shared memory support requested but not found])])

AS_IF([test "$oshmem_verbs_sm_build_verbs" = "1"], [$1], [$2])

Expand Down