static int drm_tegra_wrap(struct drm_tegra **drmp, int fd, bool close)
{
struct drm_tegra *drm;
if (fd < 0 || !drmp)
return -EINVAL;
drm = calloc(1, sizeof(*drm));
if (!drm)
return -ENOMEM;
drm->close = close;
drm->fd = fd;
drm_tegra_bo_cache_init(&drm->bo_cache, false);
drm->handle_table = drmHashCreate();
drm->name_table = drmHashCreate();
DRMINITLISTHEAD(&drm->mmap_cache.list);
if (!drm->handle_table || !drm->name_table)
return -ENOMEM;
drm_tegra_setup_debug(drm);
*drmp = drm;
return 0;
}
static struct fd_device * fd_device_new_impl(int fd)
{
struct fd_device *dev;
drmVersionPtr version;
/* figure out if we are kgsl or msm drm driver: */
version = drmGetVersion(fd);
if (!version) {
ERROR_MSG("cannot get version: %s", strerror(errno));
return NULL;
}
if (!strcmp(version->name, "kgsl")) {
DEBUG_MSG("kgsl DRM device");
dev = kgsl_device_new(fd);
} else if (!strcmp(version->name, "msm")) {
DEBUG_MSG("msm DRM device");
dev = msm_device_new(fd);
} else {
ERROR_MSG("unknown device: %s", version->name);
dev = NULL;
}
if (!dev)
return NULL;
atomic_set(&dev->refcnt, 1);
dev->fd = fd;
dev->handle_table = drmHashCreate();
dev->name_table = drmHashCreate();
init_cache_buckets(dev);
return dev;
}
struct etna_device * etna_device_new(int fd)
{
struct etna_device *dev = calloc(sizeof(*dev), 1);
if (!dev)
return NULL;
atomic_set(&dev->refcnt, 1);
dev->fd = fd;
dev->handle_table = drmHashCreate();
dev->name_table = drmHashCreate();
init_cache_buckets(dev);
return dev;
}
void hash_create(struct locked_hash_table *table)
{
pthread_rwlock_init(&table->lock, NULL);
table->table = drmHashCreate();
if (!table->table) {
ERROR_MSG("failed to create hash table");
exit(1);
}
}
static struct omap_device * omap_device_new_impl(int fd)
{
struct omap_device *dev = calloc(sizeof(*dev), 1);
if (!dev)
return NULL;
dev->fd = fd;
atomic_set(&dev->refcnt, 1);
dev->handle_table = drmHashCreate();
return dev;
}
struct fd_device * fd_device_new(int fd)
{
struct fd_device *dev = NULL;
int key = fd;
pthread_mutex_lock(&table_lock);
if (!dev_table)
dev_table = drmHashCreate();
if (drmHashLookup(dev_table, key, (void **)&dev)) {
dev = fd_device_new_impl(fd);
if (dev)
drmHashInsert(dev_table, key, dev);
} else {
dev = fd_device_ref(dev);
}
pthread_mutex_unlock(&table_lock);
return dev;
}
drm_public struct omap_device * omap_device_new(int fd)
{
struct omap_device *dev = NULL;
pthread_mutex_lock(&table_lock);
if (!dev_table)
dev_table = drmHashCreate();
if (drmHashLookup(dev_table, fd, (void **)&dev)) {
/* not found, create new device */
dev = omap_device_new_impl(fd);
drmHashInsert(dev_table, fd, dev);
} else {
/* found, just incr refcnt */
dev = omap_device_ref(dev);
}
pthread_mutex_unlock(&table_lock);
return dev;
}
int main(void)
{
HashTablePtr table;
unsigned long i;
int ret = 0;
printf("\n***** 256 consecutive integers ****\n");
table = drmHashCreate();
for (i = 0; i < 256; i++)
drmHashInsert(table, i, (void *)(i << 16 | i));
for (i = 0; i < 256; i++)
ret |= check_table(table, i, (void *)(i << 16 | i));
compute_dist(table);
drmHashDestroy(table);
printf("\n***** 1024 consecutive integers ****\n");
table = drmHashCreate();
for (i = 0; i < 1024; i++)
drmHashInsert(table, i, (void *)(i << 16 | i));
for (i = 0; i < 1024; i++)
ret |= check_table(table, i, (void *)(i << 16 | i));
compute_dist(table);
drmHashDestroy(table);
printf("\n***** 1024 consecutive page addresses (4k pages) ****\n");
table = drmHashCreate();
for (i = 0; i < 1024; i++)
drmHashInsert(table, i*4096, (void *)(i << 16 | i));
for (i = 0; i < 1024; i++)
ret |= check_table(table, i*4096, (void *)(i << 16 | i));
compute_dist(table);
drmHashDestroy(table);
printf("\n***** 1024 random integers ****\n");
table = drmHashCreate();
srandom(0xbeefbeef);
for (i = 0; i < 1024; i++)
drmHashInsert(table, random(), (void *)(i << 16 | i));
srandom(0xbeefbeef);
for (i = 0; i < 1024; i++)
ret |= check_table(table, random(), (void *)(i << 16 | i));
srandom(0xbeefbeef);
for (i = 0; i < 1024; i++)
ret |= check_table(table, random(), (void *)(i << 16 | i));
compute_dist(table);
drmHashDestroy(table);
printf("\n***** 5000 random integers ****\n");
table = drmHashCreate();
srandom(0xbeefbeef);
for (i = 0; i < 5000; i++)
drmHashInsert(table, random(), (void *)(i << 16 | i));
srandom(0xbeefbeef);
for (i = 0; i < 5000; i++)
ret |= check_table(table, random(), (void *)(i << 16 | i));
srandom(0xbeefbeef);
for (i = 0; i < 5000; i++)
ret |= check_table(table, random(), (void *)(i << 16 | i));
compute_dist(table);
drmHashDestroy(table);
return ret;
}
