<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <style type="text/css" style="display:none;"></style> </head> <body dir="ltr"> <div id="divtagdefaultwrapper" style="font-size:12pt;color:#000000;font-family:Calibri,Helvetica,sans-serif;" dir="ltr"> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> </div> <hr style="display:inline-block;width:98%" tabindex="-1"> <div id="divRplyFwdMsg" dir="ltr">From: amd-gfx <amd-gfx-bounces@lists.freedesktop.org> on behalf of Christian König <ckoenig.leichtzumerken@gmail.com> Sent: Friday, October 26, 2018 6:59:21 AM To: amd-gfx@lists.freedesktop.org Subject: [PATCH libdrm] amdgpu: add VM test to exercise max/min address space <div> </div> </div> <div class="BodyFragment"> <div class="PlainText">Make sure the kernel doesn't crash if we map something at the minimum/maximum address. Signed-off-by: Christian König <christian.koenig@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..bbdeef4d 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_mapping_test(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 }, + { "vm mapping test", amdgpu_vm_mapping_test }, 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_mapping_test(void) +{ + struct amdgpu_bo_alloc_request req = {0}; + struct drm_amdgpu_info_device dev_info; + const uint64_t size = 4096; + amdgpu_bo_handle buf; + uint64_t addr; + int r; + + req.alloc_size = size; + req.phys_alignment = 0; + req.preferred_heap = AMDGPU_GEM_DOMAIN_GTT; + req.flags = 0; + + r = amdgpu_bo_alloc(device_handle, &req, &buf); + CU_ASSERT_EQUAL(r, 0); + + r = amdgpu_query_info(device_handle, AMDGPU_INFO_DEV_INFO, + sizeof(dev_info), &dev_info); + CU_ASSERT_EQUAL(r, 0); + + addr = dev_info.virtual_address_offset; + r = amdgpu_bo_va_op(buf, 0, size, addr, 0, AMDGPU_VA_OP_MAP); + CU_ASSERT_EQUAL(r, 0); + + addr = dev_info.virtual_address_max - size; + r = amdgpu_bo_va_op(buf, 0, size, addr, 0, AMDGPU_VA_OP_MAP); + CU_ASSERT_EQUAL(r, 0); + + if (dev_info.high_va_offset) { + addr = dev_info.high_va_offset; + r = amdgpu_bo_va_op(buf, 0, size, addr, 0, AMDGPU_VA_OP_MAP); + CU_ASSERT_EQUAL(r, 0); + + addr = dev_info.high_va_max - size; + r = amdgpu_bo_va_op(buf, 0, size, addr, 0, AMDGPU_VA_OP_MAP); + CU_ASSERT_EQUAL(r, 0); + } + + amdgpu_bo_free(buf); +} -- 2.17.1 _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org <a href="https://lists.freedesktop.org/mailman/listinfo/amd-gfx">https://lists.freedesktop.org/mailman/listinfo/amd-gfx</a> </div> </div> </body> </html>