1ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glisse/* 2ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glisse * Copyright © 2011 Red Hat 3ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glisse * 4ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glisse * Permission is hereby granted, free of charge, to any person obtaining a 5ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glisse * copy of this software and associated documentation files (the "Software"), 6ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glisse * to deal in the Software without restriction, including without limitation 7ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glisse * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glisse * and/or sell copies of the Software, and to permit persons to whom the 9ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glisse * Software is furnished to do so, subject to the following conditions: 10ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glisse * 11ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glisse * The above copyright notice and this permission notice (including the next 12ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glisse * paragraph) shall be included in all copies or substantial portions of the 13ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glisse * Software. 14ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glisse * 15ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glisse * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glisse * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glisse * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glisse * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glisse * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glisse * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 21ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glisse * IN THE SOFTWARE. 22ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glisse * 23ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glisse * Authors: 24ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glisse * Jerome Glisse <j.glisse@gmail.com> 25ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glisse */ 26ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glisse#ifndef RBO_H 27ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glisse#define RBO_H 28ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glisse 29ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glisse#include "list.h" 30ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glisse 31ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glissestruct rbo { 32ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glisse struct list_head list; 33ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glisse int fd; 34ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glisse unsigned refcount; 35ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glisse unsigned mapcount; 36ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glisse unsigned handle; 37ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glisse unsigned size; 38ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glisse unsigned alignment; 39ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glisse void *data; 40ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glisse}; 41ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glisse 42ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glissestruct rbo *rbo(int fd, unsigned handle, unsigned size, 43ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glisse unsigned alignment, void *ptr); 44ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glisseint rbo_map(struct rbo *bo); 45ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glissevoid rbo_unmap(struct rbo *bo); 46ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glissestruct rbo *rbo_incref(struct rbo *bo); 47ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glissestruct rbo *rbo_decref(struct rbo *bo); 48ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glisseint rbo_wait(struct rbo *bo); 49ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glisse 50ca4971292cf99e0063416cd1c3467af94637bf2bJerome Glisse#endif 51