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Unrestricted size flag support in clSvmAlloc

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Signed-off-by: Bartosz Dunajski <bartosz.dunajski@intel.com>
This commit is contained in:
Bartosz Dunajski
2021-01-25 15:16:20 +01:00
committed by Compute-Runtime-Automation
parent 6f2a8e8a1c
commit 469c929b7f
2 changed files with 63 additions and 18 deletions
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43
opencl/source/api/api.cpp
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@ -4387,27 +4387,36 @@ void *CL_API_CALL clSVMAlloc(cl_context context,
return pAlloc;
}
if (flags == 0) {
flags = CL_MEM_READ_WRITE;
}
{
// allow CL_MEM_ALLOW_UNRESTRICTED_SIZE_INTEL with every combination
cl_svm_mem_flags tempFlags = flags & (~CL_MEM_ALLOW_UNRESTRICTED_SIZE_INTEL);
if (!((flags == CL_MEM_READ_WRITE) ||
(flags == CL_MEM_WRITE_ONLY) ||
(flags == CL_MEM_READ_ONLY) ||
(flags == CL_MEM_SVM_FINE_GRAIN_BUFFER) ||
(flags == (CL_MEM_SVM_FINE_GRAIN_BUFFER | CL_MEM_SVM_ATOMICS)) ||
(flags == (CL_MEM_READ_WRITE | CL_MEM_SVM_FINE_GRAIN_BUFFER)) ||
(flags == (CL_MEM_READ_WRITE | CL_MEM_SVM_FINE_GRAIN_BUFFER | CL_MEM_SVM_ATOMICS)) ||
(flags == (CL_MEM_WRITE_ONLY | CL_MEM_SVM_FINE_GRAIN_BUFFER)) ||
(flags == (CL_MEM_WRITE_ONLY | CL_MEM_SVM_FINE_GRAIN_BUFFER | CL_MEM_SVM_ATOMICS)) ||
(flags == (CL_MEM_READ_ONLY | CL_MEM_SVM_FINE_GRAIN_BUFFER)) ||
(flags == (CL_MEM_READ_ONLY | CL_MEM_SVM_FINE_GRAIN_BUFFER | CL_MEM_SVM_ATOMICS)))) {
TRACING_EXIT(clSVMAlloc, &pAlloc);
return pAlloc;
if (tempFlags == 0) {
tempFlags = CL_MEM_READ_WRITE;
}
if (!((tempFlags == CL_MEM_READ_WRITE) ||
(tempFlags == CL_MEM_WRITE_ONLY) ||
(tempFlags == CL_MEM_READ_ONLY) ||
(tempFlags == CL_MEM_SVM_FINE_GRAIN_BUFFER) ||
(tempFlags == (CL_MEM_SVM_FINE_GRAIN_BUFFER | CL_MEM_SVM_ATOMICS)) ||
(tempFlags == (CL_MEM_READ_WRITE | CL_MEM_SVM_FINE_GRAIN_BUFFER)) ||
(tempFlags == (CL_MEM_READ_WRITE | CL_MEM_SVM_FINE_GRAIN_BUFFER | CL_MEM_SVM_ATOMICS)) ||
(tempFlags == (CL_MEM_WRITE_ONLY | CL_MEM_SVM_FINE_GRAIN_BUFFER)) ||
(tempFlags == (CL_MEM_WRITE_ONLY | CL_MEM_SVM_FINE_GRAIN_BUFFER | CL_MEM_SVM_ATOMICS)) ||
(tempFlags == (CL_MEM_READ_ONLY | CL_MEM_SVM_FINE_GRAIN_BUFFER)) ||
(tempFlags == (CL_MEM_READ_ONLY | CL_MEM_SVM_FINE_GRAIN_BUFFER | CL_MEM_SVM_ATOMICS)))) {
TRACING_EXIT(clSVMAlloc, &pAlloc);
return pAlloc;
}
}
auto pDevice = pContext->getDevice(0);
if ((size == 0) || (size > pDevice->getSharedDeviceInfo().maxMemAllocSize)) {
bool allowUnrestrictedSize = (flags & CL_MEM_ALLOW_UNRESTRICTED_SIZE_INTEL);
if ((size == 0) ||
(!allowUnrestrictedSize && (size > pDevice->getSharedDeviceInfo().maxMemAllocSize))) {
TRACING_EXIT(clSVMAlloc, &pAlloc);
return pAlloc;
}