Make a VM mapping which is as unaligned as possible.
Signed-off-by: Christian König <christian.koenig at amd.com>
---
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);
+
+}
--
2.14.1
