rocm-systems/catch/unit/device/hipDeviceGetP2PAttribute.cc

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*/

#include <cstdlib>
#include <hip_test_common.hh>
#include <hip_test_helper.hh>
#include "hip/hip_runtime_api.h"
#include <hip_test_process.hh>
#include <string>

/**
 * @brief Test all possible combination of attributes and devices for hipDeviceGetP2PAttribute.
 *        Verify that the output is within the range of acceptable values.
 *
 */
TEST_CASE("Unit_hipDeviceGetP2PAttribute_Basic") {
#if HT_AMD
  HipTest::HIP_SKIP_TEST("EXSWCPHIPT-119");
  return;
#else

  int deviceCount = HipTest::getGeviceCount();
  if (deviceCount < 2) {
    HipTest::HIP_SKIP_TEST("Skipping because devices < 2");
    return;
  }

  hipDeviceP2PAttr attribute =
      GENERATE(hipDevP2PAttrPerformanceRank, hipDevP2PAttrAccessSupported,
               hipDevP2PAttrNativeAtomicSupported, hipDevP2PAttrHipArrayAccessSupported);

  /* Test all combinations of devices in the system */
  for (int srcDevice = 0; srcDevice < deviceCount; ++srcDevice) {
    for (int dstDevice = 0; dstDevice < deviceCount; ++dstDevice) {
      if (srcDevice != dstDevice) {
        int value{-1};
        HIP_CHECK(hipDeviceGetP2PAttribute(&value, attribute, srcDevice, dstDevice));
        INFO("hipDeviceP2PAttr: " << attribute << "\nsrcDevice: " << srcDevice
                                  << "\ndstDevice: " << dstDevice << "\nValue: " << value);
        if (attribute == hipDevP2PAttrPerformanceRank) {
          REQUIRE(value >= 0);
        } else {
          REQUIRE((value == 0 || value == 1));
        }
      }
    }
  }
#endif
}

/**
 * @brief Negative test scenarios for hipDeviceGetP2PAttribute
 *
 */
TEST_CASE("Unit_hipDeviceGetP2PAttribute_Negative") {
#if HT_AMD
  HipTest::HIP_SKIP_TEST("EXSWCPHIPT-122");
  return;
#else

  int deviceCount = HipTest::getGeviceCount();
  if (deviceCount < 2) {
    HipTest::HIP_SKIP_TEST("Skipping because devices < 2");
    return;
  }

  int value;
  int validSrcDevice = 0;
  int validDstDevice = 1;
  hipDeviceP2PAttr validAttr = hipDevP2PAttrAccessSupported;

  SECTION("Nullptr value") {
    HIP_CHECK_ERROR(hipDeviceGetP2PAttribute(nullptr, validAttr, validSrcDevice, validDstDevice),
                    hipErrorInvalidValue);
  }

  SECTION("Invalid attribute") {
    hipDeviceP2PAttr invalidAttr = static_cast<hipDeviceP2PAttr>(10);
    HIP_CHECK_ERROR(hipDeviceGetP2PAttribute(&value, invalidAttr, validSrcDevice, validDstDevice),
                    hipErrorInvalidValue);
  }

  SECTION("Device is -1") {
    int invalidDevice = -1;
    HIP_CHECK_ERROR(hipDeviceGetP2PAttribute(&value, validAttr, invalidDevice, validDstDevice),
                    hipErrorInvalidDevice);
    HIP_CHECK_ERROR(hipDeviceGetP2PAttribute(&value, validAttr, validSrcDevice, invalidDevice),
                    hipErrorInvalidDevice);
  }

  SECTION("Device is out of bounds") {
    int deviceCount = 0;
    HIP_CHECK(hipGetDeviceCount(&deviceCount));
    REQUIRE_FALSE(deviceCount == 0);

    HIP_CHECK_ERROR(hipDeviceGetP2PAttribute(&value, validAttr, deviceCount, validDstDevice),
                    hipErrorInvalidDevice);
    HIP_CHECK_ERROR(hipDeviceGetP2PAttribute(&value, validAttr, validSrcDevice, deviceCount),
                    hipErrorInvalidDevice);
  }

  SECTION("Source and destination devices are the same") {
    HIP_CHECK_ERROR(hipDeviceGetP2PAttribute(&value, validAttr, validSrcDevice, validSrcDevice),
                    hipErrorInvalidDevice);
  }

  /* https://docs.nvidia.com/cuda/cuda-c-programming-guide/index.html#env-vars */
  SECTION("Hidden devices using environment variables") {
    REQUIRE(hip::SpawnProc("hipDeviceGetP2PAttribute").run("") == hipSuccess);
    REQUIRE(hip::SpawnProc("hipDeviceGetP2PAttribute").run("0") == hipErrorInvalidDevice);
    REQUIRE(hip::SpawnProc("hipDeviceGetP2PAttribute").run("1") == hipErrorInvalidDevice);
    REQUIRE(hip::SpawnProc("hipDeviceGetP2PAttribute").run("0,1") == hipSuccess);
    REQUIRE(hip::SpawnProc("hipDeviceGetP2PAttribute").run("-1,0") == hipErrorNoDevice);
    REQUIRE(hip::SpawnProc("hipDeviceGetP2PAttribute").run("0,-1") == hipErrorInvalidDevice);
    REQUIRE(hip::SpawnProc("hipDeviceGetP2PAttribute").run("0,1,-1") == hipSuccess);
    REQUIRE(hip::SpawnProc("hipDeviceGetP2PAttribute").run("0,-1,1") == hipErrorInvalidDevice);

    if (deviceCount > 2) {
      REQUIRE(hip::SpawnProc("hipDeviceGetP2PAttribute").run("2,1") == hipSuccess);
      REQUIRE(hip::SpawnProc("hipDeviceGetP2PAttribute").run("2") == hipErrorInvalidDevice);
    } else {
      REQUIRE(hip::SpawnProc("hipDeviceGetP2PAttribute").run("2,1") == hipErrorNoDevice);
    }
  }
#endif
}