51 /* The cache version should be bumped whenever a change is made to the
52  * structure of cache entries or the index. This will give any 3rd party
53  * applications reading the cache entries a chance to adjust to the changes.
55  * - The cache version is checked internally when reading a cache entry. If we
56  *   ever have a mismatch we are in big trouble as this means we had a cache
60  * - There is no strict requirement that cache versions be backwards
76    struct disk_cache *cache = NULL;  in disk_cache_create()  local
91    cache = rzalloc(NULL, struct disk_cache);  in disk_cache_create()
92    if (cache == NULL)  in disk_cache_create()
96    cache->path_init_failed = true;  in disk_cache_create()
99    /* Android needs the "disk cache" to be enabled for  in disk_cache_create()
110    cache->path = ralloc_strdup(cache, path);  in disk_cache_create()
111    if (cache->path == NULL)  in disk_cache_create()
115       if (!disk_cache_load_cache_index(local, cache))  in disk_cache_create()
119    if (!disk_cache_mmap_cache_index(local, cache, path))  in disk_cache_create()
157    /* Default to 1GB for maximum cache size. */  in disk_cache_create()
162    cache->max_size = max_size;  in disk_cache_create()
167     * avoiding excessive memory use due to a backlog of cache entrys building  in disk_cache_create()
174    if (!util_queue_init(&cache->cache_queue, "disk$", 32, 4,  in disk_cache_create()
181    cache->path_init_failed = false;  in disk_cache_create()
185    cache->driver_keys_blob_size = cv_size;  in disk_cache_create()
190    cache->driver_keys_blob_size += id_size;  in disk_cache_create()
191    cache->driver_keys_blob_size += gpu_name_size;  in disk_cache_create()
193    /* We sometimes store entire structs that contains a pointers in the cache,  in disk_cache_create()
198    cache->driver_keys_blob_size += ptr_size_size;  in disk_cache_create()
201    cache->driver_keys_blob_size += driver_flags_size;  in disk_cache_create()
203    cache->driver_keys_blob =  in disk_cache_create()
204       ralloc_size(cache, cache->driver_keys_blob_size);  in disk_cache_create()
205    if (!cache->driver_keys_blob)  in disk_cache_create()
208    uint8_t *drv_key_blob = cache->driver_keys_blob;  in disk_cache_create()
216    s_rand_xorshift128plus(cache->seed_xorshift128plus, true);  in disk_cache_create()
220    return cache;  in disk_cache_create()
223    if (cache)  in disk_cache_create()
224       ralloc_free(cache);  in disk_cache_create()
231 disk_cache_destroy(struct disk_cache *cache)  in disk_cache_destroy()  argument
233    if (cache && !cache->path_init_failed) {  in disk_cache_destroy()
234       util_queue_finish(&cache->cache_queue);  in disk_cache_destroy()
235       util_queue_destroy(&cache->cache_queue);  in disk_cache_destroy()
238          foz_destroy(&cache->foz_db);  in disk_cache_destroy()
240       disk_cache_destroy_mmap(cache);  in disk_cache_destroy()
243    ralloc_free(cache);  in disk_cache_destroy()
247 disk_cache_wait_for_idle(struct disk_cache *cache)  in disk_cache_wait_for_idle()  argument
249    util_queue_finish(&cache->cache_queue);  in disk_cache_wait_for_idle()
253 disk_cache_remove(struct disk_cache *cache, const cache_key key)  in disk_cache_remove()  argument
255    char *filename = disk_cache_get_cache_filename(cache, key);  in disk_cache_remove()
260    disk_cache_evict_item(cache, filename);  in disk_cache_remove()
264 create_put_job(struct disk_cache *cache, const cache_key key,  in create_put_job()  argument
273       dc_job->cache = cache;  in create_put_job()
283       /* Copy the cache item metadata */  in create_put_job()
343       filename = disk_cache_get_cache_filename(dc_job->cache, dc_job->key);  in cache_put()
347       /* If the cache is too large, evict something else first. */  in cache_put()
348       while (*dc_job->cache->size + dc_job->size > dc_job->cache->max_size &&  in cache_put()
350          disk_cache_evict_lru_item(dc_job->cache);  in cache_put()
362 disk_cache_put(struct disk_cache *cache, const cache_key key,  in disk_cache_put()  argument
366    if (cache->blob_put_cb) {  in disk_cache_put()
367       cache->blob_put_cb(key, CACHE_KEY_SIZE, data, size);  in disk_cache_put()
371    if (cache->path_init_failed)  in disk_cache_put()
375       create_put_job(cache, key, (void*)data, size, cache_item_metadata, false);  in disk_cache_put()
379       util_queue_add_job(&cache->cache_queue, dc_job, &dc_job->fence,  in disk_cache_put()
385 disk_cache_put_nocopy(struct disk_cache *cache, const cache_key key,  in disk_cache_put_nocopy()  argument
389    if (cache->blob_put_cb) {  in disk_cache_put_nocopy()
390       cache->blob_put_cb(key, CACHE_KEY_SIZE, data, size);  in disk_cache_put_nocopy()
395    if (cache->path_init_failed) {  in disk_cache_put_nocopy()
401       create_put_job(cache, key, data, size, cache_item_metadata, true);  in disk_cache_put_nocopy()
405       util_queue_add_job(&cache->cache_queue, dc_job, &dc_job->fence,  in disk_cache_put_nocopy()
411 disk_cache_get(struct disk_cache *cache, const cache_key key, size_t *size)  in disk_cache_get()  argument
416    if (cache->blob_get_cb) {  in disk_cache_get()
426          cache->blob_get_cb(key, CACHE_KEY_SIZE, blob, max_blob_size);  in disk_cache_get()
439       return disk_cache_load_item_foz(cache, key, size);  in disk_cache_get()
441       char *filename = disk_cache_get_cache_filename(cache, key);  in disk_cache_get()
445       return disk_cache_load_item(cache, filename, size);  in disk_cache_get()
450 disk_cache_put_key(struct disk_cache *cache, const cache_key key)  in disk_cache_put_key()  argument
456    if (cache->blob_put_cb) {  in disk_cache_put_key()
457       cache->blob_put_cb(key, CACHE_KEY_SIZE, key_chunk, sizeof(uint32_t));  in disk_cache_put_key()
461    if (cache->path_init_failed)  in disk_cache_put_key()
464    entry = &cache->stored_keys[i * CACHE_KEY_SIZE];  in disk_cache_put_key()
470  * stored in the cache with disk_cache_put_key(). The implement is
473  * calling disk_cache_put_key, then that's just an extra cache miss and an
477 disk_cache_has_key(struct disk_cache *cache, const cache_key key)  in disk_cache_has_key()  argument
483    if (cache->blob_get_cb) {  in disk_cache_has_key()
485       return cache->blob_get_cb(key, CACHE_KEY_SIZE, &blob, sizeof(uint32_t));  in disk_cache_has_key()
488    if (cache->path_init_failed)  in disk_cache_has_key()
491    entry = &cache->stored_keys[i * CACHE_KEY_SIZE];  in disk_cache_has_key()
497 disk_cache_compute_key(struct disk_cache *cache, const void *data, size_t size,  in disk_cache_compute_key()  argument
503    _mesa_sha1_update(&ctx, cache->driver_keys_blob,  in disk_cache_compute_key()
504                      cache->driver_keys_blob_size);  in disk_cache_compute_key()
510 disk_cache_set_callbacks(struct disk_cache *cache, disk_cache_put_cb put,  in disk_cache_set_callbacks()  argument
513    cache->blob_put_cb = put;  in disk_cache_set_callbacks()
514    cache->blob_get_cb = get;  in disk_cache_set_callbacks()