add cl_khr_unified_svm to the main OpenCL specification and XML file (#1452)

Author: bashbaug

api/cl_khr_unified_svm.asciidoc

@@ -0,0 +1,101 @@
+// Copyright 2025 The Khronos Group Inc.
+// SPDX-License-Identifier: CC-BY-4.0
+
+include::{generated}/meta/{refprefix}cl_khr_unified_svm.txt[]
+
+=== Other Extension Metadata
+
+*Last Modified Date*::
+    2025-08-30
+*IP Status*::
+    No known IP claims.
+*Contributors*::
+  - Brice Videau, Argonne National Laboratory
+  - Kévin Petit, Arm Ltd.
+  - Ewan Crawford, Codeplay Software Ltd.
+  - Paul Fradgley, Imagination Technologies
+  - Ben Ashbaugh, Intel
+  - Pekka Jääskeläinen, Intel
+  - Nikhil Joshi, NVIDIA
+  - Balaji Calidas, Qualcomm Technologies Inc.
+
+=== Description
+
+This extension adds additional types of Shared Virtual Memory (SVM) to OpenCL.
+
+The extension is still under development.
+To learn more about the APIs proposed for this extension, or to provide feedback, please visit:
+
+https://github.com/KhronosGroup/OpenCL-Docs/pull/1282
+
+=== New Commands
+
+  * {clSVMAllocWithPropertiesKHR}[[clSVMAllocWithPropertiesKHR]]
+  * {clSVMFreeWithPropertiesKHR}[[clSVMFreeWithPropertiesKHR]]
+  * {clGetSVMPointerInfoKHR}[[clGetSVMPointerInfoKHR]]
+  * {clGetSVMSuggestedTypeIndexKHR}[[clGetSVMSuggestedTypeIndexKHR]]
+
+=== New Types
+
+  * {cl_svm_capabilities_khr_TYPE}
+  * {cl_svm_alloc_properties_khr_TYPE}
+  * {cl_svm_alloc_access_flags_khr_TYPE}
+  * {cl_svm_free_properties_khr_TYPE}
+  * {cl_svm_free_flags_khr_TYPE}
+  * {cl_svm_pointer_info_khr_TYPE}
+
+=== New Enums
+
+  * {cl_platform_info_TYPE}
+  ** {CL_PLATFORM_SVM_TYPE_CAPABILITIES_KHR_ANCHOR}
+  * {cl_device_info_TYPE}
+  ** {CL_DEVICE_SVM_TYPE_CAPABILITIES_KHR_ANCHOR}
+  * {cl_svm_capabilities_khr_TYPE}
+  ** {CL_SVM_CAPABILITY_SINGLE_ADDRESS_SPACE_KHR_ANCHOR}
+  ** {CL_SVM_CAPABILITY_SYSTEM_ALLOCATED_KHR_ANCHOR}
+  ** {CL_SVM_CAPABILITY_DEVICE_OWNED_KHR_ANCHOR}
+  ** {CL_SVM_CAPABILITY_DEVICE_UNASSOCIATED_KHR_ANCHOR}
+  ** {CL_SVM_CAPABILITY_CONTEXT_ACCESS_KHR_ANCHOR}
+  ** {CL_SVM_CAPABILITY_HOST_OWNED_KHR_ANCHOR}
+  ** {CL_SVM_CAPABILITY_HOST_READ_KHR_ANCHOR}
+  ** {CL_SVM_CAPABILITY_HOST_WRITE_KHR_ANCHOR}
+  ** {CL_SVM_CAPABILITY_HOST_MAP_KHR_ANCHOR}
+  ** {CL_SVM_CAPABILITY_DEVICE_READ_KHR_ANCHOR}
+  ** {CL_SVM_CAPABILITY_DEVICE_WRITE_KHR_ANCHOR}
+  ** {CL_SVM_CAPABILITY_DEVICE_ATOMIC_ACCESS_KHR_ANCHOR}
+  ** {CL_SVM_CAPABILITY_CONCURRENT_ACCESS_KHR_ANCHOR}
+  ** {CL_SVM_CAPABILITY_CONCURRENT_ATOMIC_ACCESS_KHR_ANCHOR}
+  ** {CL_SVM_CAPABILITY_INDIRECT_ACCESS_KHR_ANCHOR}
+  * {cl_svm_alloc_properties_khr_TYPE}
+  ** {CL_SVM_ALLOC_ASSOCIATED_DEVICE_HANDLE_KHR_ANCHOR}
+  ** {CL_SVM_ALLOC_ACCESS_FLAGS_KHR_ANCHOR}
+  ** {CL_SVM_ALLOC_ALIGNMENT_KHR_ANCHOR}
+  * {cl_svm_alloc_access_flags_khr_TYPE}
+  ** {CL_SVM_ALLOC_ACCESS_HOST_NOREAD_KHR_ANCHOR}
+  ** {CL_SVM_ALLOC_ACCESS_HOST_NOWRITE_KHR_ANCHOR}
+  ** {CL_SVM_ALLOC_ACCESS_DEVICE_NOREAD_KHR_ANCHOR}
+  ** {CL_SVM_ALLOC_ACCESS_DEVICE_NOWRITE_KHR_ANCHOR}
+  * {cl_svm_pointer_info_khr_TYPE}
+  ** {CL_SVM_INFO_TYPE_INDEX_KHR_ANCHOR}
+  ** {CL_SVM_INFO_CAPABILITIES_KHR_ANCHOR}
+  ** {CL_SVM_INFO_PROPERTIES_KHR_ANCHOR}
+  ** {CL_SVM_INFO_ACCESS_FLAGS_KHR_ANCHOR}
+  ** {CL_SVM_INFO_BASE_PTR_KHR_ANCHOR}
+  ** {CL_SVM_INFO_SIZE_KHR_ANCHOR}
+  ** {CL_SVM_INFO_ASSOCIATED_DEVICE_HANDLE_KHR_ANCHOR}
+  * {cl_kernel_exec_info_TYPE}
+  ** {CL_KERNEL_EXEC_INFO_SVM_INDIRECT_ACCESS_KHR_ANCHOR}
+
+=== SVM Type Convenience Macros
+
+  * {CL_SVM_TYPE_MACRO_COARSE_GRAIN_BUFFER_KHR_ANCHOR}
+  * {CL_SVM_TYPE_MACRO_FINE_GRAIN_BUFFER_KHR_ANCHOR}
+  * {CL_SVM_TYPE_MACRO_DEVICE_KHR_ANCHOR}
+  * {CL_SVM_TYPE_MACRO_HOST_KHR_ANCHOR}
+  * {CL_SVM_TYPE_MACRO_SINGLE_DEVICE_SHARED_KHR_ANCHOR}
+  * {CL_SVM_TYPE_MACRO_SYSTEM_KHR_ANCHOR}
+
+=== Version History
+
+  * Revision 0.9.0, 2025-08-30
+  ** Initial revision incorporated into the main specification (experimental).