1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Copyright © 2023 Intel Corporation 4 */ 5 6 #include <drm/drm_drv.h> 7 #include <drm/drm_kunit_helpers.h> 8 9 #include <kunit/test.h> 10 11 #include "tests/xe_test.h" 12 13 #include "xe_device.h" 14 #include "xe_pci_test.h" 15 #include "xe_pci_types.h" 16 17 static void check_graphics_ip(struct kunit *test) 18 { 19 const struct xe_ip *param = test->param_value; 20 const struct xe_graphics_desc *graphics = param->desc; 21 u64 mask = graphics->hw_engine_mask; 22 u8 fuse_regs = graphics->num_geometry_xecore_fuse_regs + 23 graphics->num_compute_xecore_fuse_regs; 24 25 /* RCS, CCS, and BCS engines are allowed on the graphics IP */ 26 mask &= ~(XE_HW_ENGINE_RCS_MASK | 27 XE_HW_ENGINE_CCS_MASK | 28 XE_HW_ENGINE_BCS_MASK); 29 30 /* Any remaining engines are an error */ 31 KUNIT_ASSERT_EQ(test, mask, 0); 32 33 /* 34 * All graphics IP should have at least one geometry and/or compute 35 * XeCore fuse register. 36 */ 37 KUNIT_ASSERT_GE(test, fuse_regs, 1); 38 } 39 40 static void check_media_ip(struct kunit *test) 41 { 42 const struct xe_ip *param = test->param_value; 43 const struct xe_media_desc *media = param->desc; 44 u64 mask = media->hw_engine_mask; 45 46 /* VCS, VECS and GSCCS engines are allowed on the media IP */ 47 mask &= ~(XE_HW_ENGINE_VCS_MASK | 48 XE_HW_ENGINE_VECS_MASK | 49 XE_HW_ENGINE_GSCCS_MASK); 50 51 /* Any remaining engines are an error */ 52 KUNIT_ASSERT_EQ(test, mask, 0); 53 } 54 55 static void check_platform_desc(struct kunit *test) 56 { 57 const struct pci_device_id *pci = test->param_value; 58 const struct xe_device_desc *desc = 59 (const struct xe_device_desc *)pci->driver_data; 60 61 KUNIT_EXPECT_GT(test, desc->dma_mask_size, 0); 62 63 KUNIT_EXPECT_GT(test, (unsigned int)desc->max_gt_per_tile, 0); 64 KUNIT_EXPECT_LE(test, (unsigned int)desc->max_gt_per_tile, XE_MAX_GT_PER_TILE); 65 66 KUNIT_EXPECT_GT(test, desc->va_bits, 0); 67 KUNIT_EXPECT_LE(test, desc->va_bits, 64); 68 69 KUNIT_EXPECT_GT(test, desc->vm_max_level, 0); 70 } 71 72 static struct kunit_case xe_pci_tests[] = { 73 KUNIT_CASE_PARAM(check_graphics_ip, xe_pci_graphics_ip_gen_param), 74 KUNIT_CASE_PARAM(check_media_ip, xe_pci_media_ip_gen_param), 75 KUNIT_CASE_PARAM(check_platform_desc, xe_pci_id_gen_param), 76 {} 77 }; 78 79 static struct kunit_suite xe_pci_test_suite = { 80 .name = "xe_pci", 81 .test_cases = xe_pci_tests, 82 }; 83 84 kunit_test_suite(xe_pci_test_suite); 85