1 /*
2  * Copyright 2017 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22 */
23 
24 #include "CUnit/Basic.h"
25 
26 #include "amdgpu_test.h"
27 #include "amdgpu_drm.h"
28 #include "amdgpu_internal.h"
29 
30 static  amdgpu_device_handle device_handle;
31 static  uint32_t  major_version;
32 static  uint32_t  minor_version;
33 static  uint32_t  family_id;
34 static  uint32_t  chip_id;
35 static  uint32_t  chip_rev;
36 
37 static void amdgpu_vmid_reserve_test(void);
38 static void amdgpu_vm_unaligned_map(void);
39 static void amdgpu_vm_mapping_test(void);
40 
suite_vm_tests_enable(void)41 CU_BOOL suite_vm_tests_enable(void)
42 {
43     CU_BOOL enable = CU_TRUE;
44 
45 	if (amdgpu_device_initialize(drm_amdgpu[0], &major_version,
46 				     &minor_version, &device_handle))
47 		return CU_FALSE;
48 
49 	if (device_handle->info.family_id == AMDGPU_FAMILY_SI) {
50 		printf("\n\nCurrently hangs the CP on this ASIC, VM suite disabled\n");
51 		enable = CU_FALSE;
52 	}
53 
54 	if (amdgpu_device_deinitialize(device_handle))
55 		return CU_FALSE;
56 
57 	return enable;
58 }
59 
suite_vm_tests_init(void)60 int suite_vm_tests_init(void)
61 {
62 	int r;
63 
64 	r = amdgpu_device_initialize(drm_amdgpu[0], &major_version,
65 				   &minor_version, &device_handle);
66 
67 	if (r) {
68 		if ((r == -EACCES) && (errno == EACCES))
69 			printf("\n\nError:%s. "
70 				"Hint:Try to run this test program as root.",
71 				strerror(errno));
72 		return CUE_SINIT_FAILED;
73 	}
74 
75 	return CUE_SUCCESS;
76 }
77 
suite_vm_tests_clean(void)78 int suite_vm_tests_clean(void)
79 {
80 	int r = amdgpu_device_deinitialize(device_handle);
81 
82 	if (r == 0)
83 		return CUE_SUCCESS;
84 	else
85 		return CUE_SCLEAN_FAILED;
86 }
87 
88 
89 CU_TestInfo vm_tests[] = {
90 	{ "resere vmid test",  amdgpu_vmid_reserve_test },
91 	{ "unaligned map",  amdgpu_vm_unaligned_map },
92 	{ "vm mapping test",  amdgpu_vm_mapping_test },
93 	CU_TEST_INFO_NULL,
94 };
95 
amdgpu_vmid_reserve_test(void)96 static void amdgpu_vmid_reserve_test(void)
97 {
98 	amdgpu_context_handle context_handle;
99 	amdgpu_bo_handle ib_result_handle;
100 	void *ib_result_cpu;
101 	uint64_t ib_result_mc_address;
102 	struct amdgpu_cs_request ibs_request;
103 	struct amdgpu_cs_ib_info ib_info;
104 	struct amdgpu_cs_fence fence_status;
105 	uint32_t expired, flags;
106 	int i, r;
107 	amdgpu_bo_list_handle bo_list;
108 	amdgpu_va_handle va_handle;
109 	static uint32_t *ptr;
110 	struct amdgpu_gpu_info gpu_info = {0};
111 	unsigned gc_ip_type;
112 
113 	r = amdgpu_query_gpu_info(device_handle, &gpu_info);
114 	CU_ASSERT_EQUAL(r, 0);
115 
116 	family_id = device_handle->info.family_id;
117 	chip_id = device_handle->info.chip_external_rev;
118 	chip_rev = device_handle->info.chip_rev;
119 
120 	gc_ip_type = (asic_is_gfx_pipe_removed(family_id, chip_id, chip_rev)) ?
121 			AMDGPU_HW_IP_COMPUTE : AMDGPU_HW_IP_GFX;
122 
123 	r = amdgpu_cs_ctx_create(device_handle, &context_handle);
124 	CU_ASSERT_EQUAL(r, 0);
125 
126 	flags = 0;
127 	r = amdgpu_vm_reserve_vmid(device_handle, flags);
128 	CU_ASSERT_EQUAL(r, 0);
129 
130 
131 	r = amdgpu_bo_alloc_and_map(device_handle, 4096, 4096,
132 			AMDGPU_GEM_DOMAIN_GTT, 0,
133 						    &ib_result_handle, &ib_result_cpu,
134 						    &ib_result_mc_address, &va_handle);
135 	CU_ASSERT_EQUAL(r, 0);
136 
137 	r = amdgpu_get_bo_list(device_handle, ib_result_handle, NULL,
138 			       &bo_list);
139 	CU_ASSERT_EQUAL(r, 0);
140 
141 	ptr = ib_result_cpu;
142 
143 	for (i = 0; i < 16; ++i)
144 		ptr[i] = 0xffff1000;
145 
146 	memset(&ib_info, 0, sizeof(struct amdgpu_cs_ib_info));
147 	ib_info.ib_mc_address = ib_result_mc_address;
148 	ib_info.size = 16;
149 
150 	memset(&ibs_request, 0, sizeof(struct amdgpu_cs_request));
151 	ibs_request.ip_type = gc_ip_type;
152 	ibs_request.ring = 0;
153 	ibs_request.number_of_ibs = 1;
154 	ibs_request.ibs = &ib_info;
155 	ibs_request.resources = bo_list;
156 	ibs_request.fence_info.handle = NULL;
157 
158 	r = amdgpu_cs_submit(context_handle, 0,&ibs_request, 1);
159 	CU_ASSERT_EQUAL(r, 0);
160 
161 
162 	memset(&fence_status, 0, sizeof(struct amdgpu_cs_fence));
163 	fence_status.context = context_handle;
164 	fence_status.ip_type = gc_ip_type;
165 	fence_status.ip_instance = 0;
166 	fence_status.ring = 0;
167 	fence_status.fence = ibs_request.seq_no;
168 
169 	r = amdgpu_cs_query_fence_status(&fence_status,
170 			AMDGPU_TIMEOUT_INFINITE,0, &expired);
171 	CU_ASSERT_EQUAL(r, 0);
172 
173 	r = amdgpu_bo_list_destroy(bo_list);
174 	CU_ASSERT_EQUAL(r, 0);
175 
176 	r = amdgpu_bo_unmap_and_free(ib_result_handle, va_handle,
177 				     ib_result_mc_address, 4096);
178 	CU_ASSERT_EQUAL(r, 0);
179 
180 	flags = 0;
181 	r = amdgpu_vm_unreserve_vmid(device_handle, flags);
182 	CU_ASSERT_EQUAL(r, 0);
183 
184 
185 	r = amdgpu_cs_ctx_free(context_handle);
186 	CU_ASSERT_EQUAL(r, 0);
187 }
188 
amdgpu_vm_unaligned_map(void)189 static void amdgpu_vm_unaligned_map(void)
190 {
191 	const uint64_t map_size = (4ULL << 30) - (2 << 12);
192 	struct amdgpu_bo_alloc_request request = {};
193 	amdgpu_bo_handle buf_handle;
194 	amdgpu_va_handle handle;
195 	uint64_t vmc_addr;
196 	int r;
197 
198 	request.alloc_size = 4ULL << 30;
199 	request.phys_alignment = 4096;
200 	request.preferred_heap = AMDGPU_GEM_DOMAIN_VRAM;
201 	request.flags = AMDGPU_GEM_CREATE_NO_CPU_ACCESS;
202 
203 	r = amdgpu_bo_alloc(device_handle, &request, &buf_handle);
204 	/* Don't let the test fail if the device doesn't have enough VRAM */
205 	if (r)
206 		return;
207 
208 	r = amdgpu_va_range_alloc(device_handle, amdgpu_gpu_va_range_general,
209 				  4ULL << 30, 1ULL << 30, 0, &vmc_addr,
210 				  &handle, 0);
211 	CU_ASSERT_EQUAL(r, 0);
212 	if (r)
213 		goto error_va_alloc;
214 
215 	vmc_addr += 1 << 12;
216 
217 	r = amdgpu_bo_va_op(buf_handle, 0, map_size, vmc_addr, 0,
218 			    AMDGPU_VA_OP_MAP);
219 	CU_ASSERT_EQUAL(r, 0);
220 	if (r)
221 		goto error_va_alloc;
222 
223 	amdgpu_bo_va_op(buf_handle, 0, map_size, vmc_addr, 0,
224 			AMDGPU_VA_OP_UNMAP);
225 
226 error_va_alloc:
227 	amdgpu_bo_free(buf_handle);
228 }
229 
amdgpu_vm_mapping_test(void)230 static void amdgpu_vm_mapping_test(void)
231 {
232 	struct amdgpu_bo_alloc_request req = {0};
233 	struct drm_amdgpu_info_device dev_info;
234 	const uint64_t size = 4096;
235 	amdgpu_bo_handle buf;
236 	uint64_t addr;
237 	int r;
238 
239 	req.alloc_size = size;
240 	req.phys_alignment = 0;
241 	req.preferred_heap = AMDGPU_GEM_DOMAIN_GTT;
242 	req.flags = 0;
243 
244 	r = amdgpu_bo_alloc(device_handle, &req, &buf);
245 	CU_ASSERT_EQUAL(r, 0);
246 
247 	r = amdgpu_query_info(device_handle, AMDGPU_INFO_DEV_INFO,
248 			      sizeof(dev_info), &dev_info);
249 	CU_ASSERT_EQUAL(r, 0);
250 
251 	addr = dev_info.virtual_address_offset;
252 	r = amdgpu_bo_va_op(buf, 0, size, addr, 0, AMDGPU_VA_OP_MAP);
253 	CU_ASSERT_EQUAL(r, 0);
254 
255 	addr = dev_info.virtual_address_max - size;
256 	r = amdgpu_bo_va_op(buf, 0, size, addr, 0, AMDGPU_VA_OP_MAP);
257 	CU_ASSERT_EQUAL(r, 0);
258 
259 	if (dev_info.high_va_offset) {
260 		addr = dev_info.high_va_offset;
261 		r = amdgpu_bo_va_op(buf, 0, size, addr, 0, AMDGPU_VA_OP_MAP);
262 		CU_ASSERT_EQUAL(r, 0);
263 
264 		addr = dev_info.high_va_max - size;
265 		r = amdgpu_bo_va_op(buf, 0, size, addr, 0, AMDGPU_VA_OP_MAP);
266 		CU_ASSERT_EQUAL(r, 0);
267 	}
268 
269 	amdgpu_bo_free(buf);
270 }
271