[SYCL][CUDA] Add backend_version device property (#5802)

Adds `backend_version` device property that can be queried vie `device.get_info()` and implements it for CUDA to return compute capability.

Author: t4c1

sycl/include/CL/sycl/detail/pi.h

@@ -311,6 +311,7 @@ typedef enum {
   PI_DEVICE_INFO_ATOMIC_MEMORY_ORDER_CAPABILITIES = 0x10111,
   PI_DEVICE_INFO_ATOMIC_MEMORY_SCOPE_CAPABILITIES = 0x11000,
   PI_DEVICE_INFO_GPU_HW_THREADS_PER_EU = 0x10112,
+  PI_DEVICE_INFO_BACKEND_VERSION = 0x10113,
   PI_EXT_ONEAPI_DEVICE_INFO_MAX_GLOBAL_WORK_GROUPS = 0x20000,
   PI_EXT_ONEAPI_DEVICE_INFO_MAX_WORK_GROUPS_1D = 0x20001,
   PI_EXT_ONEAPI_DEVICE_INFO_MAX_WORK_GROUPS_2D = 0x20002,

sycl/include/CL/sycl/info/device_traits.def

@@ -86,6 +86,7 @@ __SYCL_PARAM_TRAITS_SPEC(device, max_num_sub_groups, pi_uint32)
 __SYCL_PARAM_TRAITS_SPEC(device, sub_group_independent_forward_progress, bool)
 __SYCL_PARAM_TRAITS_SPEC(device, sub_group_sizes, std::vector<size_t>)
 __SYCL_PARAM_TRAITS_SPEC(device, kernel_kernel_pipe_support, bool)
+__SYCL_PARAM_TRAITS_SPEC(device, backend_version, std::string)
 __SYCL_PARAM_TRAITS_SPEC(device, usm_device_allocations, bool)
 __SYCL_PARAM_TRAITS_SPEC(device, usm_host_allocations, bool)
 __SYCL_PARAM_TRAITS_SPEC(device, usm_shared_allocations, bool)

sycl/include/CL/sycl/info/info_desc.hpp

@@ -142,6 +142,7 @@ enum class device : cl_device_info {
   partition_type_property,
   kernel_kernel_pipe_support,
   built_in_kernel_ids,
+  backend_version = PI_DEVICE_INFO_BACKEND_VERSION,
   // USM
   usm_device_allocations = PI_USM_DEVICE_SUPPORT,
   usm_host_allocations = PI_USM_HOST_SUPPORT,

sycl/plugins/cuda/pi_cuda.cpp

@@ -1732,6 +1732,15 @@ pi_result cuda_piDeviceGetInfo(pi_device device, pi_device_info param_name,
     }
     return getInfo(param_value_size, param_value, param_value_size_ret, value);
   }
+  case PI_DEVICE_INFO_BACKEND_VERSION: {
+    int major =
+        getAttribute(device, CU_DEVICE_ATTRIBUTE_COMPUTE_CAPABILITY_MAJOR);
+    int minor =
+        getAttribute(device, CU_DEVICE_ATTRIBUTE_COMPUTE_CAPABILITY_MINOR);
+    std::string result = std::to_string(major) + "." + std::to_string(minor);
+    return getInfo(param_value_size, param_value, param_value_size_ret,
+                   result.c_str());
+  }
 
     // TODO: Investigate if this information is available on CUDA.
   case PI_DEVICE_INFO_PCI_ADDRESS:

sycl/source/detail/device_info.hpp

@@ -1155,6 +1155,13 @@ inline bool get_device_info_host<info::device::kernel_kernel_pipe_support>() {
   return false;
 }
 
+template <>
+inline std::string get_device_info_host<info::device::backend_version>() {
+  throw runtime_error(
+      "Backend version feature is not supported on HOST device.",
+      PI_INVALID_DEVICE);
+}
+
 template <>
 inline bool get_device_info_host<info::device::usm_device_allocations>() {
   return true;

sycl/test/abi/sycl_symbols_linux.dump

@@ -4287,6 +4287,7 @@ _ZNK2cl4sycl6device8get_infoILNS0_4info6deviceE65575EEENS3_12param_traitsIS4_XT_
 _ZNK2cl4sycl6device8get_infoILNS0_4info6deviceE65808EEENS3_12param_traitsIS4_XT_EE11return_typeEv
 _ZNK2cl4sycl6device8get_infoILNS0_4info6deviceE65809EEENS3_12param_traitsIS4_XT_EE11return_typeEv
 _ZNK2cl4sycl6device8get_infoILNS0_4info6deviceE65810EEENS3_12param_traitsIS4_XT_EE11return_typeEv
+_ZNK2cl4sycl6device8get_infoILNS0_4info6deviceE65811EEENS3_12param_traitsIS4_XT_EE11return_typeEv
 _ZNK2cl4sycl6device8get_infoILNS0_4info6deviceE69632EEENS3_12param_traitsIS4_XT_EE11return_typeEv
 _ZNK2cl4sycl6device9getNativeEv
 _ZNK2cl4sycl6kernel11get_backendEv

sycl/test/abi/sycl_symbols_windows.dump

@@ -52,6 +52,7 @@
 ??$get_info@$0BABBB@@device@sycl@cl@@QEBA?AV?$vector@W4memory_order@sycl@cl@@V?$allocator@W4memory_order@sycl@cl@@@std@@@std@@XZ
 ??$get_info@$0BABBC@@device@sycl@cl@@QEBAIXZ
 ??$get_info@$0BABBC@@kernel@sycl@cl@@QEBAIAEBVdevice@12@@Z
+??$get_info@$0BABBD@@device@sycl@cl@@QEBA?AV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@XZ
 ??$get_info@$0BABC@@device@sycl@cl@@QEBA_KXZ
 ??$get_info@$0BABD@@device@sycl@cl@@QEBA_KXZ
 ??$get_info@$0BABE@@device@sycl@cl@@QEBA_KXZ