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Add support for IPC handles with implicit scaling

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When using implicit scaling, device allocations may have
more than one internal allocation created internally. In that case,
a separate dma-buf handle per internal allocation needs to be
exported.

So introduced two driver experimental extensions to export and
import more than one IPC handle:

- zexMemGetIpcHandles
- zexMemOpenIpcHandles

Related-To: LOCI-2919

Signed-off-by: Jaime Arteaga <jaime.a.arteaga.molina@intel.com>
This commit is contained in:
Jaime Arteaga
2022-01-31 23:29:01 +00:00
committed by Compute-Runtime-Automation
parent c0de4fd243
commit 3f26f45c10
38 changed files with 1311 additions and 52 deletions
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11
shared/test/unit_test/memory_manager/graphics_allocation_tests.cpp
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@@ -216,6 +216,17 @@ TEST(GraphicsAllocationTest, givenDefaultGraphicsAllocationWhenInternalHandleIsB
EXPECT_EQ(0llu, graphicsAllocation.peekInternalHandle(nullptr));
}
TEST(GraphicsAllocationTest, givenDefaultGraphicsAllocationWhenGettingNumHandlesThenZeroIsReturned) {
MockGraphicsAllocation graphicsAllocation;
EXPECT_EQ(0u, graphicsAllocation.getNumHandles());
}
TEST(GraphicsAllocationTest, givenDefaultGraphicsAllocationWhenGettingNumHandlesAfterSettingNonZeroNumberThenZeroIsReturned) {
MockGraphicsAllocation graphicsAllocation;
graphicsAllocation.setNumHandles(64u);
EXPECT_EQ(0u, graphicsAllocation.getNumHandles());
}
TEST(GraphicsAllocationTest, givenGraphicsAllocationWhenQueryingUsedPageSizeThenCorrectSizeForMemoryPoolUsedIsReturned) {
MemoryPool::Type page4kPools[] = {MemoryPool::MemoryNull,