1 /*
2 * Copyright © 2012,2013 Intel Corporation
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 (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 *
23 * Authors:
24 * Chris Wilson <chris@chris-wilson.co.uk>
25 *
26 */
27
28 /* Exercises the basic execbuffer using the handle LUT interface */
29
30 #include "igt.h"
31 #include <stdlib.h>
32 #include <stdio.h>
33 #include <string.h>
34 #include <fcntl.h>
35 #include <inttypes.h>
36 #include <errno.h>
37 #include <sys/stat.h>
38 #include <sys/time.h>
39 #include "drm.h"
40
41 IGT_TEST_DESCRIPTION("Exercises the basic execbuffer using the handle LUT"
42 " interface.");
43
44 #define BATCH_SIZE (1024*1024)
45
46 #define LOCAL_I915_EXEC_HANDLE_LUT (1<<12)
47
48 #define NORMAL 0
49 #define USE_LUT 0x1
50 #define BROKEN 0x2
51
exec(int fd,uint32_t handle,unsigned int flags)52 static int exec(int fd, uint32_t handle, unsigned int flags)
53 {
54 struct drm_i915_gem_execbuffer2 execbuf;
55 struct drm_i915_gem_exec_object2 gem_exec[1];
56 struct drm_i915_gem_relocation_entry gem_reloc[1];
57
58 gem_reloc[0].offset = 1024;
59 gem_reloc[0].delta = 0;
60 gem_reloc[0].target_handle =
61 !!(flags & USE_LUT) ^ !!(flags & BROKEN) ? 0 : handle;
62 gem_reloc[0].read_domains = I915_GEM_DOMAIN_RENDER;
63 gem_reloc[0].write_domain = 0;
64 gem_reloc[0].presumed_offset = 0;
65
66 gem_exec[0].handle = handle;
67 gem_exec[0].relocation_count = 1;
68 gem_exec[0].relocs_ptr = to_user_pointer(gem_reloc);
69 gem_exec[0].alignment = 0;
70 gem_exec[0].offset = 0;
71 gem_exec[0].flags = 0;
72 gem_exec[0].rsvd1 = 0;
73 gem_exec[0].rsvd2 = 0;
74
75 execbuf.buffers_ptr = to_user_pointer(gem_exec);
76 execbuf.buffer_count = 1;
77 execbuf.batch_start_offset = 0;
78 execbuf.batch_len = 8;
79 execbuf.cliprects_ptr = 0;
80 execbuf.num_cliprects = 0;
81 execbuf.DR1 = 0;
82 execbuf.DR4 = 0;
83 execbuf.flags = flags & USE_LUT ? LOCAL_I915_EXEC_HANDLE_LUT : 0;
84 i915_execbuffer2_set_context_id(execbuf, 0);
85 execbuf.rsvd2 = 0;
86
87 return __gem_execbuf(fd, &execbuf);
88 }
89
many_exec(int fd,uint32_t batch,int num_exec,int num_reloc,unsigned flags)90 static int many_exec(int fd, uint32_t batch, int num_exec, int num_reloc, unsigned flags)
91 {
92 struct drm_i915_gem_execbuffer2 execbuf;
93 struct drm_i915_gem_exec_object2 *gem_exec;
94 struct drm_i915_gem_relocation_entry *gem_reloc;
95 unsigned max_handle = batch;
96 int ret, n;
97
98 gem_exec = calloc(num_exec+1, sizeof(*gem_exec));
99 gem_reloc = calloc(num_reloc, sizeof(*gem_reloc));
100 igt_assert(gem_exec && gem_reloc);
101
102 for (n = 0; n < num_exec; n++) {
103 gem_exec[n].handle = gem_create(fd, 4096);
104 if (gem_exec[n].handle > max_handle)
105 max_handle = gem_exec[n].handle;
106 gem_exec[n].relocation_count = 0;
107 gem_exec[n].relocs_ptr = 0;
108 gem_exec[n].alignment = 0;
109 gem_exec[n].offset = 0;
110 gem_exec[n].flags = 0;
111 gem_exec[n].rsvd1 = 0;
112 gem_exec[n].rsvd2 = 0;
113 }
114
115 gem_exec[n].handle = batch;
116 gem_exec[n].relocation_count = num_reloc;
117 gem_exec[n].relocs_ptr = to_user_pointer(gem_reloc);
118
119 if (flags & USE_LUT)
120 max_handle = num_exec + 1;
121 max_handle++;
122
123 for (n = 0; n < num_reloc; n++) {
124 uint32_t target;
125
126 if (flags & BROKEN) {
127 target = -(rand() % 4096) - 1;
128 } else {
129 target = rand() % (num_exec + 1);
130 if ((flags & USE_LUT) == 0)
131 target = gem_exec[target].handle;
132 }
133
134 gem_reloc[n].offset = 1024;
135 gem_reloc[n].delta = 0;
136 gem_reloc[n].target_handle = target;
137 gem_reloc[n].read_domains = I915_GEM_DOMAIN_RENDER;
138 gem_reloc[n].write_domain = 0;
139 gem_reloc[n].presumed_offset = 0;
140 }
141
142 execbuf.buffers_ptr = to_user_pointer(gem_exec);
143 execbuf.buffer_count = num_exec + 1;
144 execbuf.batch_start_offset = 0;
145 execbuf.batch_len = 8;
146 execbuf.cliprects_ptr = 0;
147 execbuf.num_cliprects = 0;
148 execbuf.DR1 = 0;
149 execbuf.DR4 = 0;
150 execbuf.flags = flags & USE_LUT ? LOCAL_I915_EXEC_HANDLE_LUT : 0;
151 i915_execbuffer2_set_context_id(execbuf, 0);
152 execbuf.rsvd2 = 0;
153
154 ret = __gem_execbuf(fd, &execbuf);
155
156 for (n = 0; n < num_exec; n++)
157 gem_close(fd, gem_exec[n].handle);
158
159 free(gem_exec);
160 free(gem_reloc);
161
162 return ret;
163 }
164
165 #define fail(x) igt_assert((x) == -ENOENT)
166 #define pass(x) igt_assert((x) == 0)
167
168 igt_simple_main
169 {
170 uint32_t batch[2] = {MI_BATCH_BUFFER_END};
171 uint32_t handle;
172 int fd, i;
173
174 fd = drm_open_driver(DRIVER_INTEL);
175
176 handle = gem_create(fd, 4096);
177 gem_write(fd, handle, 0, batch, sizeof(batch));
178
179 do_or_die(exec(fd, handle, NORMAL));
180 fail(exec(fd, handle, BROKEN));
181
182 igt_skip_on(exec(fd, handle, USE_LUT));
183
184 do_or_die(exec(fd, handle, USE_LUT));
185 fail(exec(fd, handle, USE_LUT | BROKEN));
186
187 for (i = 2; i <= SLOW_QUICK(65536, 8); i *= 2) {
188 if (many_exec(fd, handle, i+1, i+1, NORMAL) == -ENOSPC)
189 break;
190
191 pass(many_exec(fd, handle, i-1, i-1, NORMAL));
192 pass(many_exec(fd, handle, i-1, i, NORMAL));
193 pass(many_exec(fd, handle, i-1, i+1, NORMAL));
194 pass(many_exec(fd, handle, i, i-1, NORMAL));
195 pass(many_exec(fd, handle, i, i, NORMAL));
196 pass(many_exec(fd, handle, i, i+1, NORMAL));
197 pass(many_exec(fd, handle, i+1, i-1, NORMAL));
198 pass(many_exec(fd, handle, i+1, i, NORMAL));
199 pass(many_exec(fd, handle, i+1, i+1, NORMAL));
200
201 fail(many_exec(fd, handle, i-1, i-1, NORMAL | BROKEN));
202 fail(many_exec(fd, handle, i-1, i, NORMAL | BROKEN));
203 fail(many_exec(fd, handle, i-1, i+1, NORMAL | BROKEN));
204 fail(many_exec(fd, handle, i, i-1, NORMAL | BROKEN));
205 fail(many_exec(fd, handle, i, i, NORMAL | BROKEN));
206 fail(many_exec(fd, handle, i, i+1, NORMAL | BROKEN));
207 fail(many_exec(fd, handle, i+1, i-1, NORMAL | BROKEN));
208 fail(many_exec(fd, handle, i+1, i, NORMAL | BROKEN));
209 fail(many_exec(fd, handle, i+1, i+1, NORMAL | BROKEN));
210
211 pass(many_exec(fd, handle, i-1, i-1, USE_LUT));
212 pass(many_exec(fd, handle, i-1, i, USE_LUT));
213 pass(many_exec(fd, handle, i-1, i+1, USE_LUT));
214 pass(many_exec(fd, handle, i, i-1, USE_LUT));
215 pass(many_exec(fd, handle, i, i, USE_LUT));
216 pass(many_exec(fd, handle, i, i+1, USE_LUT));
217 pass(many_exec(fd, handle, i+1, i-1, USE_LUT));
218 pass(many_exec(fd, handle, i+1, i, USE_LUT));
219 pass(many_exec(fd, handle, i+1, i+1, USE_LUT));
220
221 fail(many_exec(fd, handle, i-1, i-1, USE_LUT | BROKEN));
222 fail(many_exec(fd, handle, i-1, i, USE_LUT | BROKEN));
223 fail(many_exec(fd, handle, i-1, i+1, USE_LUT | BROKEN));
224 fail(many_exec(fd, handle, i, i-1, USE_LUT | BROKEN));
225 fail(many_exec(fd, handle, i, i, USE_LUT | BROKEN));
226 fail(many_exec(fd, handle, i, i+1, USE_LUT | BROKEN));
227 fail(many_exec(fd, handle, i+1, i-1, USE_LUT | BROKEN));
228 fail(many_exec(fd, handle, i+1, i, USE_LUT | BROKEN));
229 fail(many_exec(fd, handle, i+1, i+1, USE_LUT | BROKEN));
230 }
231 }
232