157 lines
3.8 KiB
C
157 lines
3.8 KiB
C
/*
|
|
* Copyright © 2015 Canonical Ltd. (Maarten Lankhorst)
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
|
|
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
|
|
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
|
|
* OTHER DEALINGS IN THE SOFTWARE.
|
|
*/
|
|
|
|
#include <sys/ioctl.h>
|
|
#include <dlfcn.h>
|
|
#include <fcntl.h>
|
|
#include <stdio.h>
|
|
#include <unistd.h>
|
|
#include <errno.h>
|
|
#include <pthread.h>
|
|
|
|
#include "xf86drm.h"
|
|
#include "nouveau.h"
|
|
|
|
static typeof(ioctl) *old_ioctl;
|
|
static int failed;
|
|
|
|
static int import_fd;
|
|
|
|
#ifdef __GLIBC__
|
|
int ioctl(int fd, unsigned long request, ...)
|
|
#else
|
|
int ioctl(int fd, int request, ...)
|
|
#endif
|
|
{
|
|
va_list va;
|
|
int ret;
|
|
void *arg;
|
|
|
|
va_start(va, request);
|
|
arg = va_arg(va, void *);
|
|
ret = old_ioctl(fd, request, arg);
|
|
va_end(va);
|
|
|
|
if (ret < 0 && request == DRM_IOCTL_GEM_CLOSE && errno == EINVAL)
|
|
failed = 1;
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void *
|
|
openclose(void *dev)
|
|
{
|
|
struct nouveau_device *nvdev = dev;
|
|
struct nouveau_bo *bo = NULL;
|
|
int i;
|
|
|
|
for (i = 0; i < 100000; ++i) {
|
|
if (!nouveau_bo_prime_handle_ref(nvdev, import_fd, &bo))
|
|
nouveau_bo_ref(NULL, &bo);
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
drmVersionPtr version;
|
|
const char *device = NULL;
|
|
int err, fd, fd2;
|
|
struct nouveau_device *nvdev, *nvdev2;
|
|
struct nouveau_bo *bo;
|
|
pthread_t t1, t2;
|
|
|
|
old_ioctl = dlsym(RTLD_NEXT, "ioctl");
|
|
|
|
if (argc < 2) {
|
|
fd = drmOpenWithType("nouveau", NULL, DRM_NODE_RENDER);
|
|
if (fd >= 0)
|
|
fd2 = drmOpenWithType("nouveau", NULL, DRM_NODE_RENDER);
|
|
} else {
|
|
device = argv[1];
|
|
|
|
fd = open(device, O_RDWR);
|
|
if (fd >= 0)
|
|
fd2 = open(device, O_RDWR);
|
|
else
|
|
fd2 = fd = -errno;
|
|
}
|
|
|
|
if (fd < 0) {
|
|
fprintf(stderr, "Opening nouveau render node failed with %i\n", fd);
|
|
return device ? -fd : 77;
|
|
}
|
|
|
|
if (fd2 < 0) {
|
|
fprintf(stderr, "Opening second nouveau render node failed with %i\n", -errno);
|
|
return errno;
|
|
}
|
|
|
|
version = drmGetVersion(fd);
|
|
if (version) {
|
|
printf("Version: %d.%d.%d\n", version->version_major,
|
|
version->version_minor, version->version_patchlevel);
|
|
printf(" Name: %s\n", version->name);
|
|
printf(" Date: %s\n", version->date);
|
|
printf(" Description: %s\n", version->desc);
|
|
|
|
drmFreeVersion(version);
|
|
}
|
|
|
|
err = nouveau_device_wrap(fd, 0, &nvdev);
|
|
if (!err)
|
|
err = nouveau_device_wrap(fd2, 0, &nvdev2);
|
|
if (err < 0)
|
|
return 1;
|
|
|
|
err = nouveau_bo_new(nvdev2, NOUVEAU_BO_GART, 0, 4096, NULL, &bo);
|
|
if (!err)
|
|
err = nouveau_bo_set_prime(bo, &import_fd);
|
|
|
|
if (!err) {
|
|
pthread_create(&t1, NULL, openclose, nvdev);
|
|
pthread_create(&t2, NULL, openclose, nvdev);
|
|
}
|
|
|
|
pthread_join(t1, NULL);
|
|
pthread_join(t2, NULL);
|
|
|
|
close(import_fd);
|
|
nouveau_bo_ref(NULL, &bo);
|
|
|
|
nouveau_device_del(&nvdev2);
|
|
nouveau_device_del(&nvdev);
|
|
if (device) {
|
|
close(fd2);
|
|
close(fd);
|
|
} else {
|
|
drmClose(fd2);
|
|
drmClose(fd);
|
|
}
|
|
|
|
if (failed)
|
|
fprintf(stderr, "DRM_IOCTL_GEM_CLOSE failed with EINVAL,\n"
|
|
"race in opening/closing bo is likely.\n");
|
|
|
|
return failed;
|
|
}
|