128 int ia_css_rmgr_init_vbuf(struct ia_css_rmgr_vbuf_pool *pool)  in ia_css_rmgr_init_vbuf()  argument
134 	assert(pool);  in ia_css_rmgr_init_vbuf()
135 	if (!pool)  in ia_css_rmgr_init_vbuf()
138 	if (pool->recycle && pool->size) {  in ia_css_rmgr_init_vbuf()
142 		    pool->size;  in ia_css_rmgr_init_vbuf()
143 		pool->handles = kvmalloc(bytes_needed, GFP_KERNEL);  in ia_css_rmgr_init_vbuf()
144 		if (pool->handles)  in ia_css_rmgr_init_vbuf()
145 			memset(pool->handles, 0, bytes_needed);  in ia_css_rmgr_init_vbuf()
150 		pool->size = 0;  in ia_css_rmgr_init_vbuf()
151 		pool->handles = NULL;  in ia_css_rmgr_init_vbuf()
161 void ia_css_rmgr_uninit_vbuf(struct ia_css_rmgr_vbuf_pool *pool)  in ia_css_rmgr_uninit_vbuf()  argument
166 	if (!pool) {  in ia_css_rmgr_uninit_vbuf()
170 	if (pool->handles) {  in ia_css_rmgr_uninit_vbuf()
172 		for (i = 0; i < pool->size; i++) {  in ia_css_rmgr_uninit_vbuf()
173 			if (pool->handles[i]) {  in ia_css_rmgr_uninit_vbuf()
176 						    pool->handles[i]->vptr,  in ia_css_rmgr_uninit_vbuf()
177 						    pool->handles[i]->count);  in ia_css_rmgr_uninit_vbuf()
179 				hmm_free(pool->handles[i]->vptr);  in ia_css_rmgr_uninit_vbuf()
181 				ia_css_rmgr_refcount_release_vbuf(&pool->handles[i]);  in ia_css_rmgr_uninit_vbuf()
185 		kvfree(pool->handles);  in ia_css_rmgr_uninit_vbuf()
186 		pool->handles = NULL;  in ia_css_rmgr_uninit_vbuf()
197 void rmgr_push_handle(struct ia_css_rmgr_vbuf_pool *pool,  in rmgr_push_handle()  argument
203 	assert(pool);  in rmgr_push_handle()
204 	assert(pool->recycle);  in rmgr_push_handle()
205 	assert(pool->handles);  in rmgr_push_handle()
207 	for (i = 0; i < pool->size; i++) {  in rmgr_push_handle()
208 		if (!pool->handles[i]) {  in rmgr_push_handle()
210 			pool->handles[i] = *handle;  in rmgr_push_handle()
225 void rmgr_pop_handle(struct ia_css_rmgr_vbuf_pool *pool,  in rmgr_pop_handle()  argument
230 	assert(pool);  in rmgr_pop_handle()
231 	assert(pool->recycle);  in rmgr_pop_handle()
232 	assert(pool->handles);  in rmgr_pop_handle()
235 	for (i = 0; i < pool->size; i++) {  in rmgr_pop_handle()
236 		if ((pool->handles[i]) &&  in rmgr_pop_handle()
237 		    (pool->handles[i]->size == (*handle)->size)) {  in rmgr_pop_handle()
238 			*handle = pool->handles[i];  in rmgr_pop_handle()
239 			pool->handles[i] = NULL;  in rmgr_pop_handle()
254 void ia_css_rmgr_acq_vbuf(struct ia_css_rmgr_vbuf_pool *pool,  in ia_css_rmgr_acq_vbuf()  argument
257 	if ((!pool) || (!handle) || (!*handle)) {  in ia_css_rmgr_acq_vbuf()
262 	if (pool->copy_on_write) {  in ia_css_rmgr_acq_vbuf()
282 			if (pool->recycle) {  in ia_css_rmgr_acq_vbuf()
284 				rmgr_pop_handle(pool, &new_handle);  in ia_css_rmgr_acq_vbuf()
310 void ia_css_rmgr_rel_vbuf(struct ia_css_rmgr_vbuf_pool *pool,  in ia_css_rmgr_rel_vbuf()  argument
313 	if ((!pool) || (!handle) || (!*handle)) {  in ia_css_rmgr_rel_vbuf()
319 		if (!pool->recycle) {  in ia_css_rmgr_rel_vbuf()
324 			rmgr_push_handle(pool, handle);  in ia_css_rmgr_rel_vbuf()