Skip to content

btl/ofi: Disable EFA provider in versions earlier than libfabric 1.12.0 #7973

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 2 commits into from
Aug 12, 2020
Merged

btl/ofi: Disable EFA provider in versions earlier than libfabric 1.12.0 #7973

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
a7dcfd9
btl/ofi: Disable EFA provider in versions earlier than libfabric 1.12.0
wckzhang Jul 28, 2020
41acfee
btl/ofi: Disable ofi_rxm provider
wckzhang Aug 11, 2020
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
19 changes: 19 additions & 0 deletions opal/mca/btl/ofi/btl_ofi_component.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -59,6 +59,25 @@ static int validate_info(struct fi_info *info, uint64_t required_caps)

BTL_VERBOSE(("validating device: %s", info->domain_attr->name));

/* EFA does not fulfill FI_DELIVERY_COMPLETE requirements in prior libfabric
* versions. The prov version is set as:
* FI_VERSION(FI_MAJOR_VERSION * 100 + FI_MINOR_VERSION, FI_REVISION_VERSION * 10)
* Thus, FI_VERSION(112,0) corresponds to libfabric 1.12.0
*/
if (!strncasecmp(info->fabric_attr->prov_name, "efa", 3)
&& FI_VERSION_LT(info->fabric_attr->prov_version, FI_VERSION(112,0))) {
BTL_VERBOSE(("unsupported libfabric efa version"));
return OPAL_ERROR;
}

/* ofi_rxm does not fulfill FI_DELIVERY_COMPLETE requirements. Thus we
* exclude it if it's detected.
*/
if (strstr(info->fabric_attr->prov_name, "ofi_rxm")) {
BTL_VERBOSE(("ofi_rxm does not support FI_DELIVERY_COMPLETE"));
return OPAL_ERROR;
}

/* we need exactly all the required bits */
if ((info->caps & required_caps) != required_caps) {
BTL_VERBOSE(("unsupported caps"));
Expand Down