1 /*
2 * Copyright 2019 Google LLC
3 * SPDX-License-Identifier: MIT
4 *
5 * based in part on virgl which is:
6 * Copyright 2014, 2015 Red Hat.
7 */
8
9 #include <errno.h>
10 #include <netinet/in.h>
11 #include <poll.h>
12 #include <sys/mman.h>
13 #include <sys/socket.h>
14 #include <sys/types.h>
15 #include <sys/un.h>
16 #include <unistd.h>
17
18 #include "util/os_file.h"
19 #include "util/sparse_array.h"
20 #include "util/u_process.h"
21 #define VIRGL_RENDERER_UNSTABLE_APIS
22 #include "virtio-gpu/virglrenderer_hw.h"
23 #include "vtest/vtest_protocol.h"
24
25 #include "vn_renderer_internal.h"
26
27 #define VTEST_PCI_VENDOR_ID 0x1af4
28 #define VTEST_PCI_DEVICE_ID 0x1050
29
30 struct vtest;
31
32 struct vtest_shmem {
33 struct vn_renderer_shmem base;
34 };
35
36 struct vtest_bo {
37 struct vn_renderer_bo base;
38
39 uint32_t blob_flags;
40 /* might be closed after mmap */
41 int res_fd;
42 };
43
44 struct vtest_sync {
45 struct vn_renderer_sync base;
46 };
47
48 struct vtest {
49 struct vn_renderer base;
50
51 struct vn_instance *instance;
52
53 mtx_t sock_mutex;
54 int sock_fd;
55
56 uint32_t protocol_version;
57 uint32_t max_sync_queue_count;
58
59 struct {
60 enum virgl_renderer_capset id;
61 uint32_t version;
62 struct virgl_renderer_capset_venus data;
63 } capset;
64
65 uint32_t shmem_blob_mem;
66
67 struct util_sparse_array shmem_array;
68 struct util_sparse_array bo_array;
69
70 struct vn_renderer_shmem_cache shmem_cache;
71 };
72
73 static int
vtest_connect_socket(struct vn_instance * instance,const char * path)74 vtest_connect_socket(struct vn_instance *instance, const char *path)
75 {
76 struct sockaddr_un un;
77 int sock;
78
79 sock = socket(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0);
80 if (sock < 0) {
81 vn_log(instance, "failed to create a socket");
82 return -1;
83 }
84
85 memset(&un, 0, sizeof(un));
86 un.sun_family = AF_UNIX;
87 memcpy(un.sun_path, path, strlen(path));
88
89 if (connect(sock, (struct sockaddr *)&un, sizeof(un)) == -1) {
90 vn_log(instance, "failed to connect to %s: %s", path, strerror(errno));
91 close(sock);
92 return -1;
93 }
94
95 return sock;
96 }
97
98 static void
vtest_read(struct vtest * vtest,void * buf,size_t size)99 vtest_read(struct vtest *vtest, void *buf, size_t size)
100 {
101 do {
102 const ssize_t ret = read(vtest->sock_fd, buf, size);
103 if (unlikely(ret < 0)) {
104 vn_log(vtest->instance,
105 "lost connection to rendering server on %zu read %zi %d",
106 size, ret, errno);
107 abort();
108 }
109
110 buf += ret;
111 size -= ret;
112 } while (size);
113 }
114
115 static int
vtest_receive_fd(struct vtest * vtest)116 vtest_receive_fd(struct vtest *vtest)
117 {
118 char cmsg_buf[CMSG_SPACE(sizeof(int))];
119 char dummy;
120 struct msghdr msg = {
121 .msg_iov =
122 &(struct iovec){
123 .iov_base = &dummy,
124 .iov_len = sizeof(dummy),
125 },
126 .msg_iovlen = 1,
127 .msg_control = cmsg_buf,
128 .msg_controllen = sizeof(cmsg_buf),
129 };
130
131 if (recvmsg(vtest->sock_fd, &msg, 0) < 0) {
132 vn_log(vtest->instance, "recvmsg failed: %s", strerror(errno));
133 abort();
134 }
135
136 struct cmsghdr *cmsg = CMSG_FIRSTHDR(&msg);
137 if (!cmsg || cmsg->cmsg_level != SOL_SOCKET ||
138 cmsg->cmsg_type != SCM_RIGHTS) {
139 vn_log(vtest->instance, "invalid cmsghdr");
140 abort();
141 }
142
143 return *((int *)CMSG_DATA(cmsg));
144 }
145
146 static void
vtest_write(struct vtest * vtest,const void * buf,size_t size)147 vtest_write(struct vtest *vtest, const void *buf, size_t size)
148 {
149 do {
150 const ssize_t ret = write(vtest->sock_fd, buf, size);
151 if (unlikely(ret < 0)) {
152 vn_log(vtest->instance,
153 "lost connection to rendering server on %zu write %zi %d",
154 size, ret, errno);
155 abort();
156 }
157
158 buf += ret;
159 size -= ret;
160 } while (size);
161 }
162
163 static void
vtest_vcmd_create_renderer(struct vtest * vtest,const char * name)164 vtest_vcmd_create_renderer(struct vtest *vtest, const char *name)
165 {
166 const size_t size = strlen(name) + 1;
167
168 uint32_t vtest_hdr[VTEST_HDR_SIZE];
169 vtest_hdr[VTEST_CMD_LEN] = size;
170 vtest_hdr[VTEST_CMD_ID] = VCMD_CREATE_RENDERER;
171
172 vtest_write(vtest, vtest_hdr, sizeof(vtest_hdr));
173 vtest_write(vtest, name, size);
174 }
175
176 static bool
vtest_vcmd_ping_protocol_version(struct vtest * vtest)177 vtest_vcmd_ping_protocol_version(struct vtest *vtest)
178 {
179 uint32_t vtest_hdr[VTEST_HDR_SIZE];
180 vtest_hdr[VTEST_CMD_LEN] = VCMD_PING_PROTOCOL_VERSION_SIZE;
181 vtest_hdr[VTEST_CMD_ID] = VCMD_PING_PROTOCOL_VERSION;
182
183 vtest_write(vtest, vtest_hdr, sizeof(vtest_hdr));
184
185 /* send a dummy busy wait to avoid blocking in vtest_read in case ping
186 * protocol version is not supported
187 */
188 uint32_t vcmd_busy_wait[VCMD_BUSY_WAIT_SIZE];
189 vtest_hdr[VTEST_CMD_LEN] = VCMD_BUSY_WAIT_SIZE;
190 vtest_hdr[VTEST_CMD_ID] = VCMD_RESOURCE_BUSY_WAIT;
191 vcmd_busy_wait[VCMD_BUSY_WAIT_HANDLE] = 0;
192 vcmd_busy_wait[VCMD_BUSY_WAIT_FLAGS] = 0;
193
194 vtest_write(vtest, vtest_hdr, sizeof(vtest_hdr));
195 vtest_write(vtest, vcmd_busy_wait, sizeof(vcmd_busy_wait));
196
197 uint32_t dummy;
198 vtest_read(vtest, vtest_hdr, sizeof(vtest_hdr));
199 if (vtest_hdr[VTEST_CMD_ID] == VCMD_PING_PROTOCOL_VERSION) {
200 /* consume the dummy busy wait result */
201 vtest_read(vtest, vtest_hdr, sizeof(vtest_hdr));
202 assert(vtest_hdr[VTEST_CMD_ID] == VCMD_RESOURCE_BUSY_WAIT);
203 vtest_read(vtest, &dummy, sizeof(dummy));
204 return true;
205 } else {
206 /* no ping protocol version support */
207 assert(vtest_hdr[VTEST_CMD_ID] == VCMD_RESOURCE_BUSY_WAIT);
208 vtest_read(vtest, &dummy, sizeof(dummy));
209 return false;
210 }
211 }
212
213 static uint32_t
vtest_vcmd_protocol_version(struct vtest * vtest)214 vtest_vcmd_protocol_version(struct vtest *vtest)
215 {
216 uint32_t vtest_hdr[VTEST_HDR_SIZE];
217 uint32_t vcmd_protocol_version[VCMD_PROTOCOL_VERSION_SIZE];
218 vtest_hdr[VTEST_CMD_LEN] = VCMD_PROTOCOL_VERSION_SIZE;
219 vtest_hdr[VTEST_CMD_ID] = VCMD_PROTOCOL_VERSION;
220 vcmd_protocol_version[VCMD_PROTOCOL_VERSION_VERSION] =
221 VTEST_PROTOCOL_VERSION;
222
223 vtest_write(vtest, vtest_hdr, sizeof(vtest_hdr));
224 vtest_write(vtest, vcmd_protocol_version, sizeof(vcmd_protocol_version));
225
226 vtest_read(vtest, vtest_hdr, sizeof(vtest_hdr));
227 assert(vtest_hdr[VTEST_CMD_LEN] == VCMD_PROTOCOL_VERSION_SIZE);
228 assert(vtest_hdr[VTEST_CMD_ID] == VCMD_PROTOCOL_VERSION);
229 vtest_read(vtest, vcmd_protocol_version, sizeof(vcmd_protocol_version));
230
231 return vcmd_protocol_version[VCMD_PROTOCOL_VERSION_VERSION];
232 }
233
234 static uint32_t
vtest_vcmd_get_param(struct vtest * vtest,enum vcmd_param param)235 vtest_vcmd_get_param(struct vtest *vtest, enum vcmd_param param)
236 {
237 uint32_t vtest_hdr[VTEST_HDR_SIZE];
238 uint32_t vcmd_get_param[VCMD_GET_PARAM_SIZE];
239 vtest_hdr[VTEST_CMD_LEN] = VCMD_GET_PARAM_SIZE;
240 vtest_hdr[VTEST_CMD_ID] = VCMD_GET_PARAM;
241 vcmd_get_param[VCMD_GET_PARAM_PARAM] = param;
242
243 vtest_write(vtest, vtest_hdr, sizeof(vtest_hdr));
244 vtest_write(vtest, vcmd_get_param, sizeof(vcmd_get_param));
245
246 vtest_read(vtest, vtest_hdr, sizeof(vtest_hdr));
247 assert(vtest_hdr[VTEST_CMD_LEN] == 2);
248 assert(vtest_hdr[VTEST_CMD_ID] == VCMD_GET_PARAM);
249
250 uint32_t resp[2];
251 vtest_read(vtest, resp, sizeof(resp));
252
253 return resp[0] ? resp[1] : 0;
254 }
255
256 static bool
vtest_vcmd_get_capset(struct vtest * vtest,enum virgl_renderer_capset id,uint32_t version,void * capset,size_t capset_size)257 vtest_vcmd_get_capset(struct vtest *vtest,
258 enum virgl_renderer_capset id,
259 uint32_t version,
260 void *capset,
261 size_t capset_size)
262 {
263 uint32_t vtest_hdr[VTEST_HDR_SIZE];
264 uint32_t vcmd_get_capset[VCMD_GET_CAPSET_SIZE];
265 vtest_hdr[VTEST_CMD_LEN] = VCMD_GET_CAPSET_SIZE;
266 vtest_hdr[VTEST_CMD_ID] = VCMD_GET_CAPSET;
267 vcmd_get_capset[VCMD_GET_CAPSET_ID] = id;
268 vcmd_get_capset[VCMD_GET_CAPSET_VERSION] = version;
269
270 vtest_write(vtest, vtest_hdr, sizeof(vtest_hdr));
271 vtest_write(vtest, vcmd_get_capset, sizeof(vcmd_get_capset));
272
273 vtest_read(vtest, vtest_hdr, sizeof(vtest_hdr));
274 assert(vtest_hdr[VTEST_CMD_ID] == VCMD_GET_CAPSET);
275
276 uint32_t valid;
277 vtest_read(vtest, &valid, sizeof(valid));
278 if (!valid)
279 return false;
280
281 size_t read_size = (vtest_hdr[VTEST_CMD_LEN] - 1) * 4;
282 if (capset_size >= read_size) {
283 vtest_read(vtest, capset, read_size);
284 memset(capset + read_size, 0, capset_size - read_size);
285 } else {
286 vtest_read(vtest, capset, capset_size);
287
288 char temp[256];
289 read_size -= capset_size;
290 while (read_size) {
291 const size_t temp_size = MIN2(read_size, ARRAY_SIZE(temp));
292 vtest_read(vtest, temp, temp_size);
293 read_size -= temp_size;
294 }
295 }
296
297 return true;
298 }
299
300 static void
vtest_vcmd_context_init(struct vtest * vtest,enum virgl_renderer_capset capset_id)301 vtest_vcmd_context_init(struct vtest *vtest,
302 enum virgl_renderer_capset capset_id)
303 {
304 uint32_t vtest_hdr[VTEST_HDR_SIZE];
305 uint32_t vcmd_context_init[VCMD_CONTEXT_INIT_SIZE];
306 vtest_hdr[VTEST_CMD_LEN] = VCMD_CONTEXT_INIT_SIZE;
307 vtest_hdr[VTEST_CMD_ID] = VCMD_CONTEXT_INIT;
308 vcmd_context_init[VCMD_CONTEXT_INIT_CAPSET_ID] = capset_id;
309
310 vtest_write(vtest, vtest_hdr, sizeof(vtest_hdr));
311 vtest_write(vtest, vcmd_context_init, sizeof(vcmd_context_init));
312 }
313
314 static uint32_t
vtest_vcmd_resource_create_blob(struct vtest * vtest,enum vcmd_blob_type type,uint32_t flags,VkDeviceSize size,vn_object_id blob_id,int * res_fd)315 vtest_vcmd_resource_create_blob(struct vtest *vtest,
316 enum vcmd_blob_type type,
317 uint32_t flags,
318 VkDeviceSize size,
319 vn_object_id blob_id,
320 int *res_fd)
321 {
322 uint32_t vtest_hdr[VTEST_HDR_SIZE];
323 uint32_t vcmd_res_create_blob[VCMD_RES_CREATE_BLOB_SIZE];
324
325 vtest_hdr[VTEST_CMD_LEN] = VCMD_RES_CREATE_BLOB_SIZE;
326 vtest_hdr[VTEST_CMD_ID] = VCMD_RESOURCE_CREATE_BLOB;
327
328 vcmd_res_create_blob[VCMD_RES_CREATE_BLOB_TYPE] = type;
329 vcmd_res_create_blob[VCMD_RES_CREATE_BLOB_FLAGS] = flags;
330 vcmd_res_create_blob[VCMD_RES_CREATE_BLOB_SIZE_LO] = (uint32_t)size;
331 vcmd_res_create_blob[VCMD_RES_CREATE_BLOB_SIZE_HI] =
332 (uint32_t)(size >> 32);
333 vcmd_res_create_blob[VCMD_RES_CREATE_BLOB_ID_LO] = (uint32_t)blob_id;
334 vcmd_res_create_blob[VCMD_RES_CREATE_BLOB_ID_HI] =
335 (uint32_t)(blob_id >> 32);
336
337 vtest_write(vtest, vtest_hdr, sizeof(vtest_hdr));
338 vtest_write(vtest, vcmd_res_create_blob, sizeof(vcmd_res_create_blob));
339
340 vtest_read(vtest, vtest_hdr, sizeof(vtest_hdr));
341 assert(vtest_hdr[VTEST_CMD_LEN] == 1);
342 assert(vtest_hdr[VTEST_CMD_ID] == VCMD_RESOURCE_CREATE_BLOB);
343
344 uint32_t res_id;
345 vtest_read(vtest, &res_id, sizeof(res_id));
346
347 *res_fd = vtest_receive_fd(vtest);
348
349 return res_id;
350 }
351
352 static void
vtest_vcmd_resource_unref(struct vtest * vtest,uint32_t res_id)353 vtest_vcmd_resource_unref(struct vtest *vtest, uint32_t res_id)
354 {
355 uint32_t vtest_hdr[VTEST_HDR_SIZE];
356 uint32_t vcmd_res_unref[VCMD_RES_UNREF_SIZE];
357
358 vtest_hdr[VTEST_CMD_LEN] = VCMD_RES_UNREF_SIZE;
359 vtest_hdr[VTEST_CMD_ID] = VCMD_RESOURCE_UNREF;
360 vcmd_res_unref[VCMD_RES_UNREF_RES_HANDLE] = res_id;
361
362 vtest_write(vtest, vtest_hdr, sizeof(vtest_hdr));
363 vtest_write(vtest, vcmd_res_unref, sizeof(vcmd_res_unref));
364 }
365
366 static uint32_t
vtest_vcmd_sync_create(struct vtest * vtest,uint64_t initial_val)367 vtest_vcmd_sync_create(struct vtest *vtest, uint64_t initial_val)
368 {
369 uint32_t vtest_hdr[VTEST_HDR_SIZE];
370 uint32_t vcmd_sync_create[VCMD_SYNC_CREATE_SIZE];
371
372 vtest_hdr[VTEST_CMD_LEN] = VCMD_SYNC_CREATE_SIZE;
373 vtest_hdr[VTEST_CMD_ID] = VCMD_SYNC_CREATE;
374
375 vcmd_sync_create[VCMD_SYNC_CREATE_VALUE_LO] = (uint32_t)initial_val;
376 vcmd_sync_create[VCMD_SYNC_CREATE_VALUE_HI] =
377 (uint32_t)(initial_val >> 32);
378
379 vtest_write(vtest, vtest_hdr, sizeof(vtest_hdr));
380 vtest_write(vtest, vcmd_sync_create, sizeof(vcmd_sync_create));
381
382 vtest_read(vtest, vtest_hdr, sizeof(vtest_hdr));
383 assert(vtest_hdr[VTEST_CMD_LEN] == 1);
384 assert(vtest_hdr[VTEST_CMD_ID] == VCMD_SYNC_CREATE);
385
386 uint32_t sync_id;
387 vtest_read(vtest, &sync_id, sizeof(sync_id));
388
389 return sync_id;
390 }
391
392 static void
vtest_vcmd_sync_unref(struct vtest * vtest,uint32_t sync_id)393 vtest_vcmd_sync_unref(struct vtest *vtest, uint32_t sync_id)
394 {
395 uint32_t vtest_hdr[VTEST_HDR_SIZE];
396 uint32_t vcmd_sync_unref[VCMD_SYNC_UNREF_SIZE];
397
398 vtest_hdr[VTEST_CMD_LEN] = VCMD_SYNC_UNREF_SIZE;
399 vtest_hdr[VTEST_CMD_ID] = VCMD_SYNC_UNREF;
400 vcmd_sync_unref[VCMD_SYNC_UNREF_ID] = sync_id;
401
402 vtest_write(vtest, vtest_hdr, sizeof(vtest_hdr));
403 vtest_write(vtest, vcmd_sync_unref, sizeof(vcmd_sync_unref));
404 }
405
406 static uint64_t
vtest_vcmd_sync_read(struct vtest * vtest,uint32_t sync_id)407 vtest_vcmd_sync_read(struct vtest *vtest, uint32_t sync_id)
408 {
409 uint32_t vtest_hdr[VTEST_HDR_SIZE];
410 uint32_t vcmd_sync_read[VCMD_SYNC_READ_SIZE];
411
412 vtest_hdr[VTEST_CMD_LEN] = VCMD_SYNC_READ_SIZE;
413 vtest_hdr[VTEST_CMD_ID] = VCMD_SYNC_READ;
414
415 vcmd_sync_read[VCMD_SYNC_READ_ID] = sync_id;
416
417 vtest_write(vtest, vtest_hdr, sizeof(vtest_hdr));
418 vtest_write(vtest, vcmd_sync_read, sizeof(vcmd_sync_read));
419
420 vtest_read(vtest, vtest_hdr, sizeof(vtest_hdr));
421 assert(vtest_hdr[VTEST_CMD_LEN] == 2);
422 assert(vtest_hdr[VTEST_CMD_ID] == VCMD_SYNC_READ);
423
424 uint64_t val;
425 vtest_read(vtest, &val, sizeof(val));
426
427 return val;
428 }
429
430 static void
vtest_vcmd_sync_write(struct vtest * vtest,uint32_t sync_id,uint64_t val)431 vtest_vcmd_sync_write(struct vtest *vtest, uint32_t sync_id, uint64_t val)
432 {
433 uint32_t vtest_hdr[VTEST_HDR_SIZE];
434 uint32_t vcmd_sync_write[VCMD_SYNC_WRITE_SIZE];
435
436 vtest_hdr[VTEST_CMD_LEN] = VCMD_SYNC_WRITE_SIZE;
437 vtest_hdr[VTEST_CMD_ID] = VCMD_SYNC_WRITE;
438
439 vcmd_sync_write[VCMD_SYNC_WRITE_ID] = sync_id;
440 vcmd_sync_write[VCMD_SYNC_WRITE_VALUE_LO] = (uint32_t)val;
441 vcmd_sync_write[VCMD_SYNC_WRITE_VALUE_HI] = (uint32_t)(val >> 32);
442
443 vtest_write(vtest, vtest_hdr, sizeof(vtest_hdr));
444 vtest_write(vtest, vcmd_sync_write, sizeof(vcmd_sync_write));
445 }
446
447 static int
vtest_vcmd_sync_wait(struct vtest * vtest,uint32_t flags,int poll_timeout,struct vn_renderer_sync * const * syncs,const uint64_t * vals,uint32_t count)448 vtest_vcmd_sync_wait(struct vtest *vtest,
449 uint32_t flags,
450 int poll_timeout,
451 struct vn_renderer_sync *const *syncs,
452 const uint64_t *vals,
453 uint32_t count)
454 {
455 const uint32_t timeout = poll_timeout >= 0 && poll_timeout <= INT32_MAX
456 ? poll_timeout
457 : UINT32_MAX;
458
459 uint32_t vtest_hdr[VTEST_HDR_SIZE];
460 vtest_hdr[VTEST_CMD_LEN] = VCMD_SYNC_WAIT_SIZE(count);
461 vtest_hdr[VTEST_CMD_ID] = VCMD_SYNC_WAIT;
462
463 vtest_write(vtest, vtest_hdr, sizeof(vtest_hdr));
464 vtest_write(vtest, &flags, sizeof(flags));
465 vtest_write(vtest, &timeout, sizeof(timeout));
466 for (uint32_t i = 0; i < count; i++) {
467 const uint64_t val = vals[i];
468 const uint32_t sync[3] = {
469 syncs[i]->sync_id,
470 (uint32_t)val,
471 (uint32_t)(val >> 32),
472 };
473 vtest_write(vtest, sync, sizeof(sync));
474 }
475
476 vtest_read(vtest, vtest_hdr, sizeof(vtest_hdr));
477 assert(vtest_hdr[VTEST_CMD_LEN] == 0);
478 assert(vtest_hdr[VTEST_CMD_ID] == VCMD_SYNC_WAIT);
479
480 return vtest_receive_fd(vtest);
481 }
482
483 static void
submit_cmd2_sizes(const struct vn_renderer_submit * submit,size_t * header_size,size_t * cs_size,size_t * sync_size)484 submit_cmd2_sizes(const struct vn_renderer_submit *submit,
485 size_t *header_size,
486 size_t *cs_size,
487 size_t *sync_size)
488 {
489 if (!submit->batch_count) {
490 *header_size = 0;
491 *cs_size = 0;
492 *sync_size = 0;
493 return;
494 }
495
496 *header_size = sizeof(uint32_t) +
497 sizeof(struct vcmd_submit_cmd2_batch) * submit->batch_count;
498
499 *cs_size = 0;
500 *sync_size = 0;
501 for (uint32_t i = 0; i < submit->batch_count; i++) {
502 const struct vn_renderer_submit_batch *batch = &submit->batches[i];
503 assert(batch->cs_size % sizeof(uint32_t) == 0);
504 *cs_size += batch->cs_size;
505 *sync_size += (sizeof(uint32_t) + sizeof(uint64_t)) * batch->sync_count;
506 }
507
508 assert(*header_size % sizeof(uint32_t) == 0);
509 assert(*cs_size % sizeof(uint32_t) == 0);
510 assert(*sync_size % sizeof(uint32_t) == 0);
511 }
512
513 static void
vtest_vcmd_submit_cmd2(struct vtest * vtest,const struct vn_renderer_submit * submit)514 vtest_vcmd_submit_cmd2(struct vtest *vtest,
515 const struct vn_renderer_submit *submit)
516 {
517 size_t header_size;
518 size_t cs_size;
519 size_t sync_size;
520 submit_cmd2_sizes(submit, &header_size, &cs_size, &sync_size);
521 const size_t total_size = header_size + cs_size + sync_size;
522 if (!total_size)
523 return;
524
525 uint32_t vtest_hdr[VTEST_HDR_SIZE];
526 vtest_hdr[VTEST_CMD_LEN] = total_size / sizeof(uint32_t);
527 vtest_hdr[VTEST_CMD_ID] = VCMD_SUBMIT_CMD2;
528 vtest_write(vtest, vtest_hdr, sizeof(vtest_hdr));
529
530 /* write batch count and batch headers */
531 const uint32_t batch_count = submit->batch_count;
532 size_t cs_offset = header_size;
533 size_t sync_offset = cs_offset + cs_size;
534 vtest_write(vtest, &batch_count, sizeof(batch_count));
535 for (uint32_t i = 0; i < submit->batch_count; i++) {
536 const struct vn_renderer_submit_batch *batch = &submit->batches[i];
537 struct vcmd_submit_cmd2_batch dst = {
538 .cmd_offset = cs_offset / sizeof(uint32_t),
539 .cmd_size = batch->cs_size / sizeof(uint32_t),
540 .sync_offset = sync_offset / sizeof(uint32_t),
541 .sync_count = batch->sync_count,
542 };
543 if (!batch->sync_queue_cpu) {
544 dst.flags = VCMD_SUBMIT_CMD2_FLAG_SYNC_QUEUE;
545 dst.sync_queue_index = batch->sync_queue_index;
546 dst.sync_queue_id = batch->vk_queue_id;
547 }
548 vtest_write(vtest, &dst, sizeof(dst));
549
550 cs_offset += batch->cs_size;
551 sync_offset +=
552 (sizeof(uint32_t) + sizeof(uint64_t)) * batch->sync_count;
553 }
554
555 /* write cs */
556 if (cs_size) {
557 for (uint32_t i = 0; i < submit->batch_count; i++) {
558 const struct vn_renderer_submit_batch *batch = &submit->batches[i];
559 if (batch->cs_size)
560 vtest_write(vtest, batch->cs_data, batch->cs_size);
561 }
562 }
563
564 /* write syncs */
565 for (uint32_t i = 0; i < submit->batch_count; i++) {
566 const struct vn_renderer_submit_batch *batch = &submit->batches[i];
567
568 for (uint32_t j = 0; j < batch->sync_count; j++) {
569 const uint64_t val = batch->sync_values[j];
570 const uint32_t sync[3] = {
571 batch->syncs[j]->sync_id,
572 (uint32_t)val,
573 (uint32_t)(val >> 32),
574 };
575 vtest_write(vtest, sync, sizeof(sync));
576 }
577 }
578 }
579
580 static VkResult
vtest_sync_write(struct vn_renderer * renderer,struct vn_renderer_sync * _sync,uint64_t val)581 vtest_sync_write(struct vn_renderer *renderer,
582 struct vn_renderer_sync *_sync,
583 uint64_t val)
584 {
585 struct vtest *vtest = (struct vtest *)renderer;
586 struct vtest_sync *sync = (struct vtest_sync *)_sync;
587
588 mtx_lock(&vtest->sock_mutex);
589 vtest_vcmd_sync_write(vtest, sync->base.sync_id, val);
590 mtx_unlock(&vtest->sock_mutex);
591
592 return VK_SUCCESS;
593 }
594
595 static VkResult
vtest_sync_read(struct vn_renderer * renderer,struct vn_renderer_sync * _sync,uint64_t * val)596 vtest_sync_read(struct vn_renderer *renderer,
597 struct vn_renderer_sync *_sync,
598 uint64_t *val)
599 {
600 struct vtest *vtest = (struct vtest *)renderer;
601 struct vtest_sync *sync = (struct vtest_sync *)_sync;
602
603 mtx_lock(&vtest->sock_mutex);
604 *val = vtest_vcmd_sync_read(vtest, sync->base.sync_id);
605 mtx_unlock(&vtest->sock_mutex);
606
607 return VK_SUCCESS;
608 }
609
610 static VkResult
vtest_sync_reset(struct vn_renderer * renderer,struct vn_renderer_sync * sync,uint64_t initial_val)611 vtest_sync_reset(struct vn_renderer *renderer,
612 struct vn_renderer_sync *sync,
613 uint64_t initial_val)
614 {
615 /* same as write */
616 return vtest_sync_write(renderer, sync, initial_val);
617 }
618
619 static void
vtest_sync_destroy(struct vn_renderer * renderer,struct vn_renderer_sync * _sync)620 vtest_sync_destroy(struct vn_renderer *renderer,
621 struct vn_renderer_sync *_sync)
622 {
623 struct vtest *vtest = (struct vtest *)renderer;
624 struct vtest_sync *sync = (struct vtest_sync *)_sync;
625
626 mtx_lock(&vtest->sock_mutex);
627 vtest_vcmd_sync_unref(vtest, sync->base.sync_id);
628 mtx_unlock(&vtest->sock_mutex);
629
630 free(sync);
631 }
632
633 static VkResult
vtest_sync_create(struct vn_renderer * renderer,uint64_t initial_val,uint32_t flags,struct vn_renderer_sync ** out_sync)634 vtest_sync_create(struct vn_renderer *renderer,
635 uint64_t initial_val,
636 uint32_t flags,
637 struct vn_renderer_sync **out_sync)
638 {
639 struct vtest *vtest = (struct vtest *)renderer;
640
641 struct vtest_sync *sync = calloc(1, sizeof(*sync));
642 if (!sync)
643 return VK_ERROR_OUT_OF_HOST_MEMORY;
644
645 mtx_lock(&vtest->sock_mutex);
646 sync->base.sync_id = vtest_vcmd_sync_create(vtest, initial_val);
647 mtx_unlock(&vtest->sock_mutex);
648
649 *out_sync = &sync->base;
650 return VK_SUCCESS;
651 }
652
653 static void
vtest_bo_invalidate(struct vn_renderer * renderer,struct vn_renderer_bo * bo,VkDeviceSize offset,VkDeviceSize size)654 vtest_bo_invalidate(struct vn_renderer *renderer,
655 struct vn_renderer_bo *bo,
656 VkDeviceSize offset,
657 VkDeviceSize size)
658 {
659 /* nop */
660 }
661
662 static void
vtest_bo_flush(struct vn_renderer * renderer,struct vn_renderer_bo * bo,VkDeviceSize offset,VkDeviceSize size)663 vtest_bo_flush(struct vn_renderer *renderer,
664 struct vn_renderer_bo *bo,
665 VkDeviceSize offset,
666 VkDeviceSize size)
667 {
668 /* nop */
669 }
670
671 static void *
vtest_bo_map(struct vn_renderer * renderer,struct vn_renderer_bo * _bo)672 vtest_bo_map(struct vn_renderer *renderer, struct vn_renderer_bo *_bo)
673 {
674 struct vtest *vtest = (struct vtest *)renderer;
675 struct vtest_bo *bo = (struct vtest_bo *)_bo;
676 const bool mappable = bo->blob_flags & VCMD_BLOB_FLAG_MAPPABLE;
677 const bool shareable = bo->blob_flags & VCMD_BLOB_FLAG_SHAREABLE;
678
679 /* not thread-safe but is fine */
680 if (!bo->base.mmap_ptr && mappable) {
681 /* We wrongly assume that mmap(dma_buf) and vkMapMemory(VkDeviceMemory)
682 * are equivalent when the blob type is VCMD_BLOB_TYPE_HOST3D. While we
683 * check for VCMD_PARAM_HOST_COHERENT_DMABUF_BLOB, we know vtest can
684 * lie.
685 */
686 void *ptr = mmap(NULL, bo->base.mmap_size, PROT_READ | PROT_WRITE,
687 MAP_SHARED, bo->res_fd, 0);
688 if (ptr == MAP_FAILED) {
689 vn_log(vtest->instance, "failed to mmap %d of size %zu rw: %s",
690 bo->res_fd, bo->base.mmap_size, strerror(errno));
691 } else {
692 bo->base.mmap_ptr = ptr;
693 /* we don't need the fd anymore */
694 if (!shareable) {
695 close(bo->res_fd);
696 bo->res_fd = -1;
697 }
698 }
699 }
700
701 return bo->base.mmap_ptr;
702 }
703
704 static int
vtest_bo_export_dma_buf(struct vn_renderer * renderer,struct vn_renderer_bo * _bo)705 vtest_bo_export_dma_buf(struct vn_renderer *renderer,
706 struct vn_renderer_bo *_bo)
707 {
708 const struct vtest_bo *bo = (struct vtest_bo *)_bo;
709 const bool shareable = bo->blob_flags & VCMD_BLOB_FLAG_SHAREABLE;
710 return shareable ? os_dupfd_cloexec(bo->res_fd) : -1;
711 }
712
713 static bool
vtest_bo_destroy(struct vn_renderer * renderer,struct vn_renderer_bo * _bo)714 vtest_bo_destroy(struct vn_renderer *renderer, struct vn_renderer_bo *_bo)
715 {
716 struct vtest *vtest = (struct vtest *)renderer;
717 struct vtest_bo *bo = (struct vtest_bo *)_bo;
718
719 if (bo->base.mmap_ptr)
720 munmap(bo->base.mmap_ptr, bo->base.mmap_size);
721 if (bo->res_fd >= 0)
722 close(bo->res_fd);
723
724 mtx_lock(&vtest->sock_mutex);
725 vtest_vcmd_resource_unref(vtest, bo->base.res_id);
726 mtx_unlock(&vtest->sock_mutex);
727
728 return true;
729 }
730
731 static uint32_t
vtest_bo_blob_flags(VkMemoryPropertyFlags flags,VkExternalMemoryHandleTypeFlags external_handles)732 vtest_bo_blob_flags(VkMemoryPropertyFlags flags,
733 VkExternalMemoryHandleTypeFlags external_handles)
734 {
735 uint32_t blob_flags = 0;
736 if (flags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT)
737 blob_flags |= VCMD_BLOB_FLAG_MAPPABLE;
738 if (external_handles)
739 blob_flags |= VCMD_BLOB_FLAG_SHAREABLE;
740 if (external_handles & VK_EXTERNAL_MEMORY_HANDLE_TYPE_DMA_BUF_BIT_EXT)
741 blob_flags |= VCMD_BLOB_FLAG_CROSS_DEVICE;
742
743 return blob_flags;
744 }
745
746 static VkResult
vtest_bo_create_from_device_memory(struct vn_renderer * renderer,VkDeviceSize size,vn_object_id mem_id,VkMemoryPropertyFlags flags,VkExternalMemoryHandleTypeFlags external_handles,struct vn_renderer_bo ** out_bo)747 vtest_bo_create_from_device_memory(
748 struct vn_renderer *renderer,
749 VkDeviceSize size,
750 vn_object_id mem_id,
751 VkMemoryPropertyFlags flags,
752 VkExternalMemoryHandleTypeFlags external_handles,
753 struct vn_renderer_bo **out_bo)
754 {
755 struct vtest *vtest = (struct vtest *)renderer;
756 const uint32_t blob_flags = vtest_bo_blob_flags(flags, external_handles);
757
758 mtx_lock(&vtest->sock_mutex);
759 int res_fd;
760 uint32_t res_id = vtest_vcmd_resource_create_blob(
761 vtest, VCMD_BLOB_TYPE_HOST3D, blob_flags, size, mem_id, &res_fd);
762 assert(res_id > 0 && res_fd >= 0);
763 mtx_unlock(&vtest->sock_mutex);
764
765 struct vtest_bo *bo = util_sparse_array_get(&vtest->bo_array, res_id);
766 *bo = (struct vtest_bo){
767 .base = {
768 .refcount = VN_REFCOUNT_INIT(1),
769 .res_id = res_id,
770 .mmap_size = size,
771 },
772 .res_fd = res_fd,
773 .blob_flags = blob_flags,
774 };
775
776 *out_bo = &bo->base;
777
778 return VK_SUCCESS;
779 }
780
781 static void
vtest_shmem_destroy_now(struct vn_renderer * renderer,struct vn_renderer_shmem * _shmem)782 vtest_shmem_destroy_now(struct vn_renderer *renderer,
783 struct vn_renderer_shmem *_shmem)
784 {
785 struct vtest *vtest = (struct vtest *)renderer;
786 struct vtest_shmem *shmem = (struct vtest_shmem *)_shmem;
787
788 munmap(shmem->base.mmap_ptr, shmem->base.mmap_size);
789
790 mtx_lock(&vtest->sock_mutex);
791 vtest_vcmd_resource_unref(vtest, shmem->base.res_id);
792 mtx_unlock(&vtest->sock_mutex);
793 }
794
795 static void
vtest_shmem_destroy(struct vn_renderer * renderer,struct vn_renderer_shmem * shmem)796 vtest_shmem_destroy(struct vn_renderer *renderer,
797 struct vn_renderer_shmem *shmem)
798 {
799 struct vtest *vtest = (struct vtest *)renderer;
800
801 if (vn_renderer_shmem_cache_add(&vtest->shmem_cache, shmem))
802 return;
803
804 vtest_shmem_destroy_now(&vtest->base, shmem);
805 }
806
807 static struct vn_renderer_shmem *
vtest_shmem_create(struct vn_renderer * renderer,size_t size)808 vtest_shmem_create(struct vn_renderer *renderer, size_t size)
809 {
810 struct vtest *vtest = (struct vtest *)renderer;
811
812 struct vn_renderer_shmem *cached_shmem =
813 vn_renderer_shmem_cache_get(&vtest->shmem_cache, size);
814 if (cached_shmem) {
815 cached_shmem->refcount = VN_REFCOUNT_INIT(1);
816 return cached_shmem;
817 }
818
819 mtx_lock(&vtest->sock_mutex);
820 int res_fd;
821 uint32_t res_id = vtest_vcmd_resource_create_blob(
822 vtest, vtest->shmem_blob_mem, VCMD_BLOB_FLAG_MAPPABLE, size, 0,
823 &res_fd);
824 assert(res_id > 0 && res_fd >= 0);
825 mtx_unlock(&vtest->sock_mutex);
826
827 void *ptr =
828 mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, res_fd, 0);
829 close(res_fd);
830 if (ptr == MAP_FAILED) {
831 mtx_lock(&vtest->sock_mutex);
832 vtest_vcmd_resource_unref(vtest, res_id);
833 mtx_unlock(&vtest->sock_mutex);
834 return NULL;
835 }
836
837 struct vtest_shmem *shmem =
838 util_sparse_array_get(&vtest->shmem_array, res_id);
839 *shmem = (struct vtest_shmem){
840 .base = {
841 .refcount = VN_REFCOUNT_INIT(1),
842 .res_id = res_id,
843 .mmap_size = size,
844 .mmap_ptr = ptr,
845 },
846 };
847
848 return &shmem->base;
849 }
850
851 static VkResult
sync_wait_poll(int fd,int poll_timeout)852 sync_wait_poll(int fd, int poll_timeout)
853 {
854 struct pollfd pollfd = {
855 .fd = fd,
856 .events = POLLIN,
857 };
858 int ret;
859 do {
860 ret = poll(&pollfd, 1, poll_timeout);
861 } while (ret == -1 && (errno == EINTR || errno == EAGAIN));
862
863 if (ret < 0 || (ret > 0 && !(pollfd.revents & POLLIN))) {
864 return (ret < 0 && errno == ENOMEM) ? VK_ERROR_OUT_OF_HOST_MEMORY
865 : VK_ERROR_DEVICE_LOST;
866 }
867
868 return ret ? VK_SUCCESS : VK_TIMEOUT;
869 }
870
871 static int
timeout_to_poll_timeout(uint64_t timeout)872 timeout_to_poll_timeout(uint64_t timeout)
873 {
874 const uint64_t ns_per_ms = 1000000;
875 const uint64_t ms = (timeout + ns_per_ms - 1) / ns_per_ms;
876 if (!ms && timeout)
877 return -1;
878 return ms <= INT_MAX ? ms : -1;
879 }
880
881 static VkResult
vtest_wait(struct vn_renderer * renderer,const struct vn_renderer_wait * wait)882 vtest_wait(struct vn_renderer *renderer, const struct vn_renderer_wait *wait)
883 {
884 struct vtest *vtest = (struct vtest *)renderer;
885 const uint32_t flags = wait->wait_any ? VCMD_SYNC_WAIT_FLAG_ANY : 0;
886 const int poll_timeout = timeout_to_poll_timeout(wait->timeout);
887
888 /*
889 * vtest_vcmd_sync_wait (and some other sync commands) is executed after
890 * all prior commands are dispatched. That is far from ideal.
891 *
892 * In virtio-gpu, a drm_syncobj wait ioctl is executed immediately. It
893 * works because it uses virtio-gpu interrupts as a side channel. vtest
894 * needs a side channel to perform well.
895 *
896 * virtio-gpu or vtest, we should also set up a 1-byte coherent memory that
897 * is set to non-zero by GPU after the syncs signal. That would allow us
898 * to do a quick check (or spin a bit) before waiting.
899 */
900 mtx_lock(&vtest->sock_mutex);
901 const int fd =
902 vtest_vcmd_sync_wait(vtest, flags, poll_timeout, wait->syncs,
903 wait->sync_values, wait->sync_count);
904 mtx_unlock(&vtest->sock_mutex);
905
906 VkResult result = sync_wait_poll(fd, poll_timeout);
907 close(fd);
908
909 return result;
910 }
911
912 static VkResult
vtest_submit(struct vn_renderer * renderer,const struct vn_renderer_submit * submit)913 vtest_submit(struct vn_renderer *renderer,
914 const struct vn_renderer_submit *submit)
915 {
916 struct vtest *vtest = (struct vtest *)renderer;
917
918 mtx_lock(&vtest->sock_mutex);
919 vtest_vcmd_submit_cmd2(vtest, submit);
920 mtx_unlock(&vtest->sock_mutex);
921
922 return VK_SUCCESS;
923 }
924
925 static void
vtest_init_renderer_info(struct vtest * vtest)926 vtest_init_renderer_info(struct vtest *vtest)
927 {
928 struct vn_renderer_info *info = &vtest->base.info;
929
930 info->drm.has_primary = false;
931 info->drm.primary_major = 0;
932 info->drm.primary_minor = 0;
933 info->drm.has_render = false;
934 info->drm.render_major = 0;
935 info->drm.render_minor = 0;
936
937 info->pci.vendor_id = VTEST_PCI_VENDOR_ID;
938 info->pci.device_id = VTEST_PCI_DEVICE_ID;
939
940 info->has_dma_buf_import = false;
941 info->has_cache_management = false;
942 info->has_external_sync = false;
943 info->has_implicit_fencing = false;
944
945 info->max_sync_queue_count = vtest->max_sync_queue_count;
946
947 const struct virgl_renderer_capset_venus *capset = &vtest->capset.data;
948 info->wire_format_version = capset->wire_format_version;
949 info->vk_xml_version = capset->vk_xml_version;
950 info->vk_ext_command_serialization_spec_version =
951 capset->vk_ext_command_serialization_spec_version;
952 info->vk_mesa_venus_protocol_spec_version =
953 capset->vk_mesa_venus_protocol_spec_version;
954 info->supports_blob_id_0 = capset->supports_blob_id_0;
955
956 /* ensure vk_extension_mask is large enough to hold all capset masks */
957 STATIC_ASSERT(sizeof(info->vk_extension_mask) >=
958 sizeof(capset->vk_extension_mask1));
959 memcpy(info->vk_extension_mask, capset->vk_extension_mask1,
960 sizeof(capset->vk_extension_mask1));
961
962 info->allow_vk_wait_syncs = capset->allow_vk_wait_syncs;
963 }
964
965 static void
vtest_destroy(struct vn_renderer * renderer,const VkAllocationCallbacks * alloc)966 vtest_destroy(struct vn_renderer *renderer,
967 const VkAllocationCallbacks *alloc)
968 {
969 struct vtest *vtest = (struct vtest *)renderer;
970
971 vn_renderer_shmem_cache_fini(&vtest->shmem_cache);
972
973 if (vtest->sock_fd >= 0) {
974 shutdown(vtest->sock_fd, SHUT_RDWR);
975 close(vtest->sock_fd);
976 }
977
978 mtx_destroy(&vtest->sock_mutex);
979 util_sparse_array_finish(&vtest->shmem_array);
980 util_sparse_array_finish(&vtest->bo_array);
981
982 vk_free(alloc, vtest);
983 }
984
985 static VkResult
vtest_init_capset(struct vtest * vtest)986 vtest_init_capset(struct vtest *vtest)
987 {
988 vtest->capset.id = VIRGL_RENDERER_CAPSET_VENUS;
989 vtest->capset.version = 0;
990
991 if (!vtest_vcmd_get_capset(vtest, vtest->capset.id, vtest->capset.version,
992 &vtest->capset.data,
993 sizeof(vtest->capset.data))) {
994 vn_log(vtest->instance, "no venus capset");
995 return VK_ERROR_INITIALIZATION_FAILED;
996 }
997
998 return VK_SUCCESS;
999 }
1000
1001 static VkResult
vtest_init_params(struct vtest * vtest)1002 vtest_init_params(struct vtest *vtest)
1003 {
1004 uint32_t val =
1005 vtest_vcmd_get_param(vtest, VCMD_PARAM_MAX_SYNC_QUEUE_COUNT);
1006 if (!val) {
1007 vn_log(vtest->instance, "no sync queue support");
1008 return VK_ERROR_INITIALIZATION_FAILED;
1009 }
1010 vtest->max_sync_queue_count = val;
1011
1012 return VK_SUCCESS;
1013 }
1014
1015 static VkResult
vtest_init_protocol_version(struct vtest * vtest)1016 vtest_init_protocol_version(struct vtest *vtest)
1017 {
1018 const uint32_t min_protocol_version = 3;
1019
1020 const uint32_t ver = vtest_vcmd_ping_protocol_version(vtest)
1021 ? vtest_vcmd_protocol_version(vtest)
1022 : 0;
1023 if (ver < min_protocol_version) {
1024 vn_log(vtest->instance, "vtest protocol version (%d) too old", ver);
1025 return VK_ERROR_INITIALIZATION_FAILED;
1026 }
1027
1028 vtest->protocol_version = ver;
1029
1030 return VK_SUCCESS;
1031 }
1032
1033 static VkResult
vtest_init(struct vtest * vtest)1034 vtest_init(struct vtest *vtest)
1035 {
1036 util_sparse_array_init(&vtest->shmem_array, sizeof(struct vtest_shmem),
1037 1024);
1038 util_sparse_array_init(&vtest->bo_array, sizeof(struct vtest_bo), 1024);
1039
1040 mtx_init(&vtest->sock_mutex, mtx_plain);
1041 vtest->sock_fd =
1042 vtest_connect_socket(vtest->instance, VTEST_DEFAULT_SOCKET_NAME);
1043 if (vtest->sock_fd < 0)
1044 return VK_ERROR_INITIALIZATION_FAILED;
1045
1046 const char *renderer_name = util_get_process_name();
1047 if (!renderer_name)
1048 renderer_name = "venus";
1049 vtest_vcmd_create_renderer(vtest, renderer_name);
1050
1051 VkResult result = vtest_init_protocol_version(vtest);
1052 if (result == VK_SUCCESS)
1053 result = vtest_init_params(vtest);
1054 if (result == VK_SUCCESS)
1055 result = vtest_init_capset(vtest);
1056 if (result != VK_SUCCESS)
1057 return result;
1058
1059 /* see virtgpu_init_shmem_blob_mem */
1060 vtest->shmem_blob_mem = vtest->capset.data.supports_blob_id_0
1061 ? VCMD_BLOB_TYPE_HOST3D
1062 : VCMD_BLOB_TYPE_GUEST;
1063
1064 vn_renderer_shmem_cache_init(&vtest->shmem_cache, &vtest->base,
1065 vtest_shmem_destroy_now);
1066
1067 vtest_vcmd_context_init(vtest, vtest->capset.id);
1068
1069 vtest_init_renderer_info(vtest);
1070
1071 vtest->base.ops.destroy = vtest_destroy;
1072 vtest->base.ops.submit = vtest_submit;
1073 vtest->base.ops.wait = vtest_wait;
1074
1075 vtest->base.shmem_ops.create = vtest_shmem_create;
1076 vtest->base.shmem_ops.destroy = vtest_shmem_destroy;
1077
1078 vtest->base.bo_ops.create_from_device_memory =
1079 vtest_bo_create_from_device_memory;
1080 vtest->base.bo_ops.create_from_dma_buf = NULL;
1081 vtest->base.bo_ops.destroy = vtest_bo_destroy;
1082 vtest->base.bo_ops.export_dma_buf = vtest_bo_export_dma_buf;
1083 vtest->base.bo_ops.map = vtest_bo_map;
1084 vtest->base.bo_ops.flush = vtest_bo_flush;
1085 vtest->base.bo_ops.invalidate = vtest_bo_invalidate;
1086
1087 vtest->base.sync_ops.create = vtest_sync_create;
1088 vtest->base.sync_ops.create_from_syncobj = NULL;
1089 vtest->base.sync_ops.destroy = vtest_sync_destroy;
1090 vtest->base.sync_ops.export_syncobj = NULL;
1091 vtest->base.sync_ops.reset = vtest_sync_reset;
1092 vtest->base.sync_ops.read = vtest_sync_read;
1093 vtest->base.sync_ops.write = vtest_sync_write;
1094
1095 return VK_SUCCESS;
1096 }
1097
1098 VkResult
vn_renderer_create_vtest(struct vn_instance * instance,const VkAllocationCallbacks * alloc,struct vn_renderer ** renderer)1099 vn_renderer_create_vtest(struct vn_instance *instance,
1100 const VkAllocationCallbacks *alloc,
1101 struct vn_renderer **renderer)
1102 {
1103 struct vtest *vtest = vk_zalloc(alloc, sizeof(*vtest), VN_DEFAULT_ALIGN,
1104 VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
1105 if (!vtest)
1106 return VK_ERROR_OUT_OF_HOST_MEMORY;
1107
1108 vtest->instance = instance;
1109 vtest->sock_fd = -1;
1110
1111 VkResult result = vtest_init(vtest);
1112 if (result != VK_SUCCESS) {
1113 vtest_destroy(&vtest->base, alloc);
1114 return result;
1115 }
1116
1117 *renderer = &vtest->base;
1118
1119 return VK_SUCCESS;
1120 }
1121