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[L0] Support for urUsmP2PPeerAccessGetInfoExp to query p2p access info #1429

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Merged
merged 1 commit into from
Mar 14, 2024
Merged

[L0] Support for urUsmP2PPeerAccessGetInfoExp to query p2p access info #1429

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37 changes: 31 additions & 6 deletions source/adapters/level_zero/usm_p2p.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -35,11 +35,36 @@ UR_APIEXPORT ur_result_t UR_APICALL urUsmP2PPeerAccessGetInfoExp(
ur_exp_peer_info_t propName, size_t propSize, void *pPropValue,
size_t *pPropSizeRet) {

std::ignore = commandDevice;
std::ignore = peerDevice;
std::ignore = propName;

UrReturnHelper ReturnValue(propSize, pPropValue, pPropSizeRet);
// Zero return value indicates that all of the queries currently return false.
return ReturnValue(uint32_t{0});

bool propertyValue = false;
switch (propName) {
case UR_EXP_PEER_INFO_UR_PEER_ACCESS_SUPPORTED: {
bool p2pAccessSupported = false;
ze_device_p2p_properties_t p2pProperties;
ZE2UR_CALL(zeDeviceGetP2PProperties,
(commandDevice->ZeDevice, peerDevice->ZeDevice, &p2pProperties));
if (p2pProperties.flags & ZE_DEVICE_P2P_PROPERTY_FLAG_ACCESS) {
p2pAccessSupported = true;
}
ze_bool_t p2pDeviceSupported = false;
ZE2UR_CALL(
zeDeviceCanAccessPeer,
(commandDevice->ZeDevice, peerDevice->ZeDevice, &p2pDeviceSupported));
propertyValue = p2pAccessSupported && p2pDeviceSupported;
break;
}
case UR_EXP_PEER_INFO_UR_PEER_ATOMICS_SUPPORTED: {
ze_device_p2p_properties_t p2pProperties;
ZE2UR_CALL(zeDeviceGetP2PProperties,
(commandDevice->ZeDevice, peerDevice->ZeDevice, &p2pProperties));
propertyValue = p2pProperties.flags & ZE_DEVICE_P2P_PROPERTY_FLAG_ATOMICS;
break;
}
default: {
return UR_RESULT_ERROR_INVALID_ENUMERATION;
}
}

return ReturnValue(propertyValue);
}