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()
165    /* Default to 1GB for maximum cache size. */  in disk_cache_create()
170    cache->max_size = max_size;  in disk_cache_create()
175     * avoiding excessive memory use due to a backlog of cache entrys building  in disk_cache_create()
182    if (!util_queue_init(&cache->cache_queue, "disk$", 32, 4,  in disk_cache_create()
189    cache->path_init_failed = false;  in disk_cache_create()
193    cache->driver_keys_blob_size = cv_size;  in disk_cache_create()
198    cache->driver_keys_blob_size += id_size;  in disk_cache_create()
199    cache->driver_keys_blob_size += gpu_name_size;  in disk_cache_create()
201    /* We sometimes store entire structs that contains a pointers in the cache,  in disk_cache_create()
206    cache->driver_keys_blob_size += ptr_size_size;  in disk_cache_create()
209    cache->driver_keys_blob_size += driver_flags_size;  in disk_cache_create()
211    cache->driver_keys_blob =  in disk_cache_create()
212       ralloc_size(cache, cache->driver_keys_blob_size);  in disk_cache_create()
213    if (!cache->driver_keys_blob)  in disk_cache_create()
216    uint8_t *drv_key_blob = cache->driver_keys_blob;  in disk_cache_create()
224    s_rand_xorshift128plus(cache->seed_xorshift128plus, true);  in disk_cache_create()
228    return cache;  in disk_cache_create()
231    if (cache)  in disk_cache_create()
232       ralloc_free(cache);  in disk_cache_create()
239 disk_cache_destroy(struct disk_cache *cache)  in disk_cache_destroy()  argument
241    if (cache && !cache->path_init_failed) {  in disk_cache_destroy()
242       util_queue_finish(&cache->cache_queue);  in disk_cache_destroy()
243       util_queue_destroy(&cache->cache_queue);  in disk_cache_destroy()
246          foz_destroy(&cache->foz_db);  in disk_cache_destroy()
248       disk_cache_destroy_mmap(cache);  in disk_cache_destroy()
251    ralloc_free(cache);  in disk_cache_destroy()
255 disk_cache_wait_for_idle(struct disk_cache *cache)  in disk_cache_wait_for_idle()  argument
257    util_queue_finish(&cache->cache_queue);  in disk_cache_wait_for_idle()
261 disk_cache_remove(struct disk_cache *cache, const cache_key key)  in disk_cache_remove()  argument
263    char *filename = disk_cache_get_cache_filename(cache, key);  in disk_cache_remove()
268    disk_cache_evict_item(cache, filename);  in disk_cache_remove()
272 create_put_job(struct disk_cache *cache, const cache_key key,  in create_put_job()  argument
281       dc_job->cache = cache;  in create_put_job()
291       /* Copy the cache item metadata */  in create_put_job()
351       filename = disk_cache_get_cache_filename(dc_job->cache, dc_job->key);  in cache_put()
355       /* If the cache is too large, evict something else first. */  in cache_put()
356       while (*dc_job->cache->size + dc_job->size > dc_job->cache->max_size &&  in cache_put()
358          disk_cache_evict_lru_item(dc_job->cache);  in cache_put()
370 disk_cache_put(struct disk_cache *cache, const cache_key key,  in disk_cache_put()  argument
374    if (cache->blob_put_cb) {  in disk_cache_put()
375       cache->blob_put_cb(key, CACHE_KEY_SIZE, data, size);  in disk_cache_put()
379    if (cache->path_init_failed)  in disk_cache_put()
383       create_put_job(cache, key, (void*)data, size, cache_item_metadata, false);  in disk_cache_put()
387       util_queue_add_job(&cache->cache_queue, dc_job, &dc_job->fence,  in disk_cache_put()
393 disk_cache_put_nocopy(struct disk_cache *cache, const cache_key key,  in disk_cache_put_nocopy()  argument
397    if (cache->blob_put_cb) {  in disk_cache_put_nocopy()
398       cache->blob_put_cb(key, CACHE_KEY_SIZE, data, size);  in disk_cache_put_nocopy()
403    if (cache->path_init_failed) {  in disk_cache_put_nocopy()
409       create_put_job(cache, key, data, size, cache_item_metadata, true);  in disk_cache_put_nocopy()
413       util_queue_add_job(&cache->cache_queue, dc_job, &dc_job->fence,  in disk_cache_put_nocopy()
419 disk_cache_get(struct disk_cache *cache, const cache_key key, size_t *size)  in disk_cache_get()  argument
424    if (cache->blob_get_cb) {  in disk_cache_get()
434          cache->blob_get_cb(key, CACHE_KEY_SIZE, blob, max_blob_size);  in disk_cache_get()
447       return disk_cache_load_item_foz(cache, key, size);  in disk_cache_get()
449       char *filename = disk_cache_get_cache_filename(cache, key);  in disk_cache_get()
453       return disk_cache_load_item(cache, filename, size);  in disk_cache_get()
458 disk_cache_put_key(struct disk_cache *cache, const cache_key key)  in disk_cache_put_key()  argument
464    if (cache->blob_put_cb) {  in disk_cache_put_key()
465       cache->blob_put_cb(key, CACHE_KEY_SIZE, key_chunk, sizeof(uint32_t));  in disk_cache_put_key()
469    if (cache->path_init_failed)  in disk_cache_put_key()
472    entry = &cache->stored_keys[i * CACHE_KEY_SIZE];  in disk_cache_put_key()
478  * stored in the cache with disk_cache_put_key(). The implement is
481  * calling disk_cache_put_key, then that's just an extra cache miss and an
485 disk_cache_has_key(struct disk_cache *cache, const cache_key key)  in disk_cache_has_key()  argument
491    if (cache->blob_get_cb) {  in disk_cache_has_key()
493       return cache->blob_get_cb(key, CACHE_KEY_SIZE, &blob, sizeof(uint32_t));  in disk_cache_has_key()
496    if (cache->path_init_failed)  in disk_cache_has_key()
499    entry = &cache->stored_keys[i * CACHE_KEY_SIZE];  in disk_cache_has_key()
505 disk_cache_compute_key(struct disk_cache *cache, const void *data, size_t size,  in disk_cache_compute_key()  argument
511    _mesa_sha1_update(&ctx, cache->driver_keys_blob,  in disk_cache_compute_key()
512                      cache->driver_keys_blob_size);  in disk_cache_compute_key()
518 disk_cache_set_callbacks(struct disk_cache *cache, disk_cache_put_cb put,  in disk_cache_set_callbacks()  argument
521    cache->blob_put_cb = put;  in disk_cache_set_callbacks()
522    cache->blob_get_cb = get;  in disk_cache_set_callbacks()