1/*
2 * Copyright (C) 2013 Rob Clark <robclark@freedesktop.org>
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 * SOFTWARE.
22 *
23 * Authors:
24 *    Rob Clark <robclark@freedesktop.org>
25 */
26
27#ifndef LOADER_H
28#define LOADER_H
29
30#include <stdbool.h>
31
32#ifdef __cplusplus
33extern "C" {
34#endif
35
36struct __DRIextensionRec;
37
38/* Helpers to figure out driver and device name, eg. from pci-id, etc. */
39
40int
41loader_open_device(const char *);
42
43int
44loader_open_render_node(const char *name);
45
46bool
47loader_get_pci_id_for_fd(int fd, int *vendor_id, int *chip_id);
48
49char *
50loader_get_driver_for_fd(int fd);
51
52void *
53loader_open_driver_lib(const char *driver_name,
54                       const char *lib_suffix,
55                       const char **search_path_vars,
56                       const char *default_search_path,
57                       bool warn_on_fail);
58
59const struct __DRIextensionRec **
60loader_open_driver(const char *driver_name,
61                   void **out_driver_handle,
62                   const char **search_path_vars);
63
64char *
65loader_get_device_name_for_fd(int fd);
66
67/* Function to get a different device than the one we are to use by default,
68 * if the user requests so and it is possible. The initial fd will be closed
69 * if necessary. The returned fd is potentially a render-node.
70 */
71
72int
73loader_get_user_preferred_fd(int default_fd, bool *different_device);
74
75/* for logging.. keep this aligned with egllog.h so we can just use
76 * _eglLog directly.
77 */
78
79#define _LOADER_FATAL   0   /* unrecoverable error */
80#define _LOADER_WARNING 1   /* recoverable error/problem */
81#define _LOADER_INFO    2   /* just useful info */
82#define _LOADER_DEBUG   3   /* useful info for debugging */
83
84typedef void loader_logger(int level, const char *fmt, ...);
85void
86loader_set_logger(loader_logger *logger);
87
88char *
89loader_get_extensions_name(const char *driver_name);
90
91#ifdef __cplusplus
92}
93#endif
94
95#endif /* LOADER_H */
96