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tests/amdgpu/hotunplug: Add hotunplug with exported bo test 

Disconnect device while BO is exported.

Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: Alex Deucher alexander.deucher@amd.com
main
Andrey Grodzovsky 2021-06-01 14:30:08 -04:00 committed by Alex Deucher
parent b5f611cc37
commit 93a4708ac0
1 changed files with 44 additions and 2 deletions
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46
tests/amdgpu/hotunplug_tests.c
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@ -304,10 +304,52 @@ static void amdgpu_hotunplug_with_cs(void)
amdgpu_hotunplug_test(true); amdgpu_hotunplug_test(true);
} }
static void amdgpu_hotunplug_with_exported_bo(void)
{
int r;
uint32_t dma_buf_fd;
unsigned int *ptr;
amdgpu_bo_handle bo_handle;
struct amdgpu_bo_alloc_request request = {
.alloc_size = 4096,
.phys_alignment = 4096,
.preferred_heap = AMDGPU_GEM_DOMAIN_GTT,
.flags = 0,
};
r = amdgpu_hotunplug_setup_test();
CU_ASSERT_EQUAL(r , 0);
amdgpu_bo_alloc(device_handle, &request, &bo_handle);
CU_ASSERT_EQUAL(r, 0);
r = amdgpu_bo_export(bo_handle, amdgpu_bo_handle_type_dma_buf_fd, &dma_buf_fd);
CU_ASSERT_EQUAL(r, 0);
ptr = mmap(NULL, 4096, PROT_READ | PROT_WRITE, MAP_SHARED, dma_buf_fd, 0);
CU_ASSERT_NOT_EQUAL(ptr, MAP_FAILED);
r = amdgpu_hotunplug_remove();
CU_ASSERT_EQUAL(r > 0, 1);
amdgpu_bo_free(bo_handle);
r = amdgpu_hotunplug_teardown_test();
CU_ASSERT_EQUAL(r , 0);
*ptr = 0xdeafbeef;
munmap(ptr, 4096);
close (dma_buf_fd);
r = amdgpu_hotunplug_rescan();
CU_ASSERT_EQUAL(r > 0, 1);
}
CU_TestInfo hotunplug_tests[] = { CU_TestInfo hotunplug_tests[] = {
{ "Unplug card and rescan the bus to plug it back", amdgpu_hotunplug_simple }, { "Unplug card and rescan the bus to plug it back", amdgpu_hotunplug_simple },
{ "Same as first test but with command submission", amdgpu_hotunplug_with_cs }, { "Same as first test but with command submission", amdgpu_hotunplug_with_cs },
{ "Unplug with exported bo", amdgpu_hotunplug_with_exported_bo },
CU_TEST_INFO_NULL, CU_TEST_INFO_NULL,
}; };