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tests/amdgpu: add unaligned VM test 

Make a VM mapping which is as unaligned as possible.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
main
Christian König 2018-09-07 13:25:01 +02:00
parent 473e2d2e67
commit 5bd5f7b25e
1 changed files with 44 additions and 1 deletions
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45
tests/amdgpu/vm_tests.c
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@ -31,8 +31,8 @@ static amdgpu_device_handle device_handle;
static uint32_t major_version;
static uint32_t minor_version;
static void amdgpu_vmid_reserve_test(void);
static void amdgpu_vm_unaligned_map(void);
CU_BOOL suite_vm_tests_enable(void)
{
@ -84,6 +84,7 @@ int suite_vm_tests_clean(void)
CU_TestInfo vm_tests[] = {
{ "resere vmid test", amdgpu_vmid_reserve_test },
{ "unaligned map", amdgpu_vm_unaligned_map },
CU_TEST_INFO_NULL,
};
@ -167,3 +168,45 @@ static void amdgpu_vmid_reserve_test(void)
r = amdgpu_cs_ctx_free(context_handle);
CU_ASSERT_EQUAL(r, 0);
}
static void amdgpu_vm_unaligned_map(void)
{
const uint64_t map_size = (4ULL << 30) - (2 << 12);
struct amdgpu_bo_alloc_request request = {};
amdgpu_bo_handle buf_handle;
amdgpu_va_handle handle;
uint64_t vmc_addr;
int r;
request.alloc_size = 4ULL << 30;
request.phys_alignment = 4096;
request.preferred_heap = AMDGPU_GEM_DOMAIN_VRAM;
request.flags = AMDGPU_GEM_CREATE_NO_CPU_ACCESS;
r = amdgpu_bo_alloc(device_handle, &request, &buf_handle);
/* Don't let the test fail if the device doesn't have enough VRAM */
if (r)
return;
r = amdgpu_va_range_alloc(device_handle, amdgpu_gpu_va_range_general,
4ULL << 30, 1ULL << 30, 0, &vmc_addr,
&handle, 0);
CU_ASSERT_EQUAL(r, 0);
if (r)
goto error_va_alloc;
vmc_addr += 1 << 12;
r = amdgpu_bo_va_op(buf_handle, 0, map_size, vmc_addr, 0,
AMDGPU_VA_OP_MAP);
CU_ASSERT_EQUAL(r, 0);
if (r)
goto error_va_alloc;
amdgpu_bo_va_op(buf_handle, 0, map_size, vmc_addr, 0,
AMDGPU_VA_OP_UNMAP);
error_va_alloc:
amdgpu_bo_free(buf_handle);
}