From 5bd5f7b25e4966e62883ca0362147605117c0831 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Christian=20K=C3=B6nig?= Date: Fri, 7 Sep 2018 13:25:01 +0200 Subject: tests/amdgpu: add unaligned VM test MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Make a VM mapping which is as unaligned as possible. Signed-off-by: Christian König Reviewed-by: Junwei Zhang --- tests/amdgpu/vm_tests.c | 45 ++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 44 insertions(+), 1 deletion(-) diff --git a/tests/amdgpu/vm_tests.c b/tests/amdgpu/vm_tests.c index 7b6dc5d6..fada2987 100644 --- a/tests/amdgpu/vm_tests.c +++ b/tests/amdgpu/vm_tests.c @@ -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); + +} -- cgit v1.2.3