| /* |
| * Copyright © 2011 Red Hat |
| * |
| * 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 (including the next |
| * paragraph) 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 AUTHORS OR COPYRIGHT HOLDERS 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. |
| * |
| * Authors: |
| * Jerome Glisse <j.glisse@gmail.com> |
| */ |
| #ifndef RBO_H |
| #define RBO_H |
| |
| #include "util_double_list.h" |
| |
| struct rbo { |
| struct list_head list; |
| int fd; |
| unsigned refcount; |
| unsigned mapcount; |
| unsigned handle; |
| unsigned size; |
| unsigned alignment; |
| void *data; |
| }; |
| |
| struct rbo *rbo(int fd, unsigned handle, unsigned size, |
| unsigned alignment, void *ptr); |
| int rbo_map(struct rbo *bo); |
| void rbo_unmap(struct rbo *bo); |
| struct rbo *rbo_incref(struct rbo *bo); |
| struct rbo *rbo_decref(struct rbo *bo); |
| int rbo_wait(struct rbo *bo); |
| |
| #endif |